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Video Friday: Unitree’s A2 Quadruped Goes Exploring Video Friday is your weekly selection of awesome robotics videos, collected by your friends at _IEEE Spectrum_ robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion. ##### World Humanoid Robot Games: 15–17 August 2025, BEIJING ##### RO-MAN 2025: 25–29 August 2025, EINDHOVEN, THE NETHERLANDS ##### CLAWAR 2025: 5–7 September 2025, SHENZHEN, CHINA ##### ACTUATE 2025: 23–24 September 2025, SAN FRANCISCO ##### CoRL 2025: 27–30 September 2025, SEOUL ##### IEEE Humanoids: 30 September–2 October 2025, SEOUL ##### World Robot Summit: 10–12 October 2025, OSAKA, JAPAN ##### IROS 2025: 19–25 October 2025, HANGZHOU, CHINA Enjoy today’s videos! > _The A2 sets a new standard in quadruped robots, balancing endurance, strength, speed, and perception._ > _The A2 weighs 37 kg (81.6 lbs) unloaded. Fully loaded with a 25 kg (55 lb) payload, it can continuously walk for 3 hours or approximately 12.5 km. Unloaded, it can continuously walk for 5 hours or approximately 20 km. Hot-swappable dual batteries enable seamless battery swap and continuous runtime for any mission._ [Unitree ] Thanks, William! > _ABB is working with Cosmic Buildings to reshape how communities rebuild and transform construction after disaster. In response to the 2025 Southern California wildfires, Cosmic Buildings are deploying mobile robotic microfactories to build modular homes on-site—cutting construction time by 70% and costs by 30%._ [ABB ] Thanks, Caitlin! How many slightly awkward engineers can your humanoid robot pull? [MagicLab ] The physical robot hand does some nifty stuff at about 1 minute in. [ETH Zurich Soft Robotics Lab ] Biologists, you can all go home now. [AgileX ] The World Humanoid Robot Games start next week in Beijing, and of course Tech United Eindhoven are there. [Tech United ] > _Our USX-1 Defiant is a new kind ofautonomous maritime platform, with the potential to transform the way we design and build ships. As the team prepares Defiant for an extended at-sea demonstration, program manager Greg Avicola shares the foundational thinking behind the breakthrough vessel._ [DARPA ] > _After loss, how do you translate grief into creation? Meditation Upon Death is Paul Kirby’s most personal and profound painting—a journey through love, loss, and the mystery of the afterlife. Inspired by a conversation with a Native American shaman and years of artistic exploration, Paul fuses technology and traditional art to capture the spirit’s passage beyond. With 5,796 brushstrokes, a custom-built robotic painting system, and a vision shaped by memory and devotion, this is the most important painting he has ever made._ [Dulcinea ] Thanks, Alexandra! > _In the fourth installment of our Moonshot Podcast Deep Dive video interview series, X’s Captain of Moonshots Astro Teller sits down with Andrew Ng, the founder of Google Brain and DeepLearning.AI, for a conversation about the history of neural network research and how Andrew’s pioneering ideas led to some of the biggest breakthroughs in modern-day AI._ [Moonshot Podcast ]
08.08.2025 15:30 — 👍 0    🔁 0    💬 0    📌 0
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Meet IBM’s Nanosheet Ninja Kamal Rudra found the topic of semiconductors pretty boring when he encountered it in high school. But that all changed when he took a college course on semiconductor optoelectronics. He credits the class’s professor with sparking his interest in the technology. “His teaching style was engaging and incredibly effective,” Rudra says. “It made me genuinely fall in love with the subject. The combination of hands-on lab experiments and deep theoretical learning finally gave me clarity that this was the field I wanted to pursue.” ### Kamal Rudra **Employer:** ****IBM Research in Albany, N.Y. **Title:** ****Research and development integration engineer **Member grade:** ****Member **Alma maters:** ****Motilal Nehru National Institute of Technology in Allahabad, India; University of Michigan in Ann Arbor An IEEE member, Rudra is now working on a new nanosheet chip fabrication process as a research and development integration engineer at IBM Research in Albany, N.Y. The method uses the self-aligned litho-etch litho-etch technique to create copper wiring structures for back-end-of-line (BEOL) integrated circuits at a pitch of 21 to 23 nanometers. The technique is used for gate-all-around transistors, which contain nanosheets: thin, stacked layers of silicon that are surrounded by the gate’s electrode. Nanosheets enhance control over current flow, reduce leakage, and enable higher transistor density, according to IBM. The fabrication project is a joint initiative between IBM Research and Rapidus, a Japanese semiconductor manufacturer headquartered in Tokyo. “Nanosheet transistors are paving the way for faster and more-energy-efficient processors for AI and other uses,” Rudra says. “By improving the BEOL interconnects, RC delay and electromigration can be reduced, ensuring transistor-level gains translate into system-level performance.” For his work, he was recognized last year on the IEEE Computer Society’s Top 30 Early Career Professionals in Computing list and received US $2,500. The Computer Society recognition “reinforces my belief that I’m moving in the right direction,” Rudra says, “and it encourages me to keep pushing the boundaries of what’s possible in semiconductor technology and computing.” ## Inspired by a physics teacher Like many engineers, Rudra was fascinated by how things worked as a youngster. Growing up in India, he would take apart remote-controlled cars and use the motors and batteries to build something new. No one in his family worked in science, technology, engineering, or math, he says, but science has always felt “completely natural.” His fascination with STEM subjects deepened in high school, and his teachers fueled his passion. But it was M.R. Shenoy, a physics professor at the Indian Institute of Technology, Delhi, who inspired him to pursue research in the semiconductor field. As an undergraduate at the Motilal Nehru National Institute of Technology, in Allahabad, India, Rudra took an online semiconductor optoelectronics certification course offered by NPTEL that was taught by Shenoy. Motivated to gain experience in the field, from 2017 to 2019 Rudra completed several internships working on semiconductor fabrication at organizations including the Indian Institute of technology (BHU), Varanasi; the Indian Institute of Technology, Kharagpur; and the Central Electronics Engineering Research Institute. “These internships were my first real exposure to experimental research and gave me a foundation in device physics and material science,” he says. He earned a bachelor’s degree in electronics and communications engineering from MNNIT in 2019. ## Working in fabrication and FinFET After graduating he became a research assistant at the Indian Institute of Science (IISc), in Bengaluru. There he developed a thin film of manganese vanadium oxide using the epitaxy process. The method grows the manganese vanadium oxide on top of the crystal substrate—which gives engineers more control over the film’s thickness, composition, and crystal structure, according to Photonics Media. Rudra used the film to develop a photodetector for infrared light. After a year he joined semiconductor manufacturer GlobalFoundries, also in Bengaluru, as an integration and yield engineer. He continued his work at IISc on the weekends. “Before joining, I had modest expectations—largely because of the limited semiconductor manufacturing ecosystem in India,” he says. “But I realized that hardware-focused work was indeed happening in the industry. That experience planted the seed of transitioning from academia to cutting-edge industrial R&D.” “For any young professional in STEM, IEEE isn’t just a resource; it’s a launchpad.” While at GlobalFoundries, he worked on BEOL interconnects to enhance the yield of the company’s FinFET chips, which are used in automotive technology, smartphones, and smart speakers. In conventional planar transistors, the gate sits atop a flat silicon channel, controlling the flow of current between the source and drain from only one side. As transistors shrank in size, however, they became less reliable and leaked current, wasting power. FinFET development was led by Chenming Hu, who received the 2020 IEEE Medal of Honor for the invention. FinFET’s 3D structure provides better control of the current. In 2021 Rudra decided to continue his education and was accepted into the master’s degree program in electrical and computer engineering at the University of Michigan in Ann Arbor. “I chose this school because there was a particular professor working on LED devices whose research really resonated with me,” he says. The professor, IEEE Fellow Zetian Mi, was working on III-V semiconductor optoelectronic devices. Rudra was part of Mi’s research team for the first two semesters of his graduate program, working on the fabrication and characterization of III-Nitride-based microLEDs. Rudra also completed an internship at Meta in Redmond, Wash., where he developed integration processes for waveguide-based photonic devices for AR/VR systems. “That experience helped me understand how photonics intersects with semiconductor manufacturing,” he says, “particularly in emerging applications like next-gen displays and wearable optics.” After earning his degree in 2023, he joined Samsung Semiconductor in Austin, Texas, as a device integration engineer. There he returned to working on FinFETs, but this time analyzing and optimizing device and front-end-of-line integration for 14-nm node technology and how different processes affect the electrical performance and yield of FinFETs. After a year, he left to join IBM Research. “It’s been one of the most fulfilling decisions of my career so far,” he says. “Being part of such a high-impact, globally collaborative initiative has been a fantastic experience and one that continues to push me technically and professionally.” Since working at the company, he has filed 22 U.S. patents. He received a slew of honors last year, including being named to Semicon West’s 20 Under 30 list, the Society of Manufacturing Engineers’s 30 Under 30, and Semicon Europa’s 20 Under 30. Recently, he made the __Albany Business Review__ 40 Under 40 list. “These recognitions,” he says, “have been deeply motivating—not just as personal milestones but as validation of the collective work I’ve been part of, and the mentors who’ve helped shape my path.” ## Making important connections at IEEE Rudra joined IEEE in 2020 after his “Visible Light Response in Defect Engineered Wrinkle Network Nanostructured ZnO” research paper was accepted by the IEEE Electron Devices Technology and Manufacturing Conference. He continues to renew his membership, he says, because of the networking opportunities it provides, as well as technical content that helps him stay up to date on semiconductors. In addition to the IEEE Computer Society, he is an active member of the IEEE Electron Devices (EDS), Electronics Packaging, and Photonics societies. Each “is home to a vibrant network of engineers, scientists, and innovators who are accomplished in their respective fields,” Rudra says. In 2022 he received an Electron Devices Society master’s fellowship, which awarded him $2,000 to use toward research within the society’s fields of interest. Receiving the honor, he says, was a powerful motivator. He is active with IEEE Young Professionals and is a member of the Electron Devices Society’s YP committee. Being a part of the community, he says, gives him access to world-class expertise and provides resources to help him make career decisions and solve technical challenges. He is also a part of the organizing committee for this year’s IEEE EDS Summer School, a two-day lecture program for university seniors, graduate students, postdoctoral fellows, and young professionals. “For any young professional in STEM, I believe IEEE isn’t just a resource; it’s a launchpad,” Rudra says. “Getting involved early helps you grow technically, professionally, and personally in a way few organizations can offer.”
07.08.2025 18:00 — 👍 0    🔁 0    💬 0    📌 0
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OpenAI Launches GPT-5, the Next Step in Its Quest for AGI The wait is finally over. Today, right now, OpenAI is releasing its latest and greatest large language model, GPT-5, and making it available through the ChatGPT interface. According to OpenAI’s leaders, the model brings unprecedented powers of reasoning, brings vibe coding to a new level, is better than ever at agentic AI tasks, and comes with a raft of new safety features. “It’s a significant step along the path of AGI,” said OpenAI CEO Sam Altman at a press briefing yesterday, referring to the company’s goal of creating artificial general intelligence. Altman called it a major upgrade from OpenAI’s prior models, saying that chatting with GPT-5 feels like talking to an expert with a Ph.D., no matter what topic you bring up. “Having this team of Ph.D.-level experts in your pocket, available all the time, to do whatever you need, is pretty cool,” he said. Nick Turley, head of ChatGPT, said he thinks the most remarkable thing about the model is that “it just feels more human. So when you’re talking to this thing, it feels just a little bit more natural.” ## Who has access to GPT-5? The new model is available to everyone via ChatGPT, including users of the free version. Paying users do get certain perks, like access to a more powerful version of the model. The introduction of GPT-5 cuts through the confusion over OpenAI’s many large language models (LLMs) with different names and capabilities. Since November 2022, when ChatGPT debuted based on the GPT-3.5 model, the public has tried to keep up as OpenAI launched GPT-4, GPT-4o, GPT-4.5, and the “reasoning” models o1 and o3. The reasoning models use a technique called chain-of-thought, in which they work through a problem step by step to better answer difficult and sophisticated questions. But people using the free version of ChatGPT haven’t had access to those top reasoning models. “This is, for most people on ChatGPT, the first real introduction to reasoning,” said Turley, adding that they don’t have to select anything to turn on reasoning capacity for harder queries. “They don’t even have to think about it because GPT-5 just knows when to think.” ## How GPT-5 Performs We’ll know more about GPT-5’s performance when OpenAI releases its system card today, which should contain information about how well it did on various benchmarks. For now, we’re going on statements from its proud creators and a brief demo conducted during the press briefing. As for those proud statements: The OpenAI team claims that GPT-5 is not only smarter and faster, it’s also more trustworthy. They say that it has fewer hallucinations (in other words, it doesn’t make up random stuff as often), and that it’s less likely to confidently put forth a wrong answer, instead being more likely to admit the limits of its own knowledge. Perhaps driven by a general sense that OpenAI has lost the lead when it comes to LLMs that can code (many people point to Anthropic’s latest Claude models and various specialized models as the leaders), GPT-5 goes heavy on coding. Altman said that the model is ushering in a new era of “software on demand,” in which users can describe, in natural language, an app they’d like to create, and see the code appear before their eyes. Yann Dubois, an OpenAI post-training lead, conducted the demo. He prompted the model to write the code for a web app that would teach his partner how to speak French, and specified that the app should include flashcards, quizzes, and an interactive game in which the user directs a mouse toward a piece of cheese to hear a French vocabulary word. “Building such a website would actually require a lot of work—at least a few hours for a software developer, and probably more,” Dubois said. The journalists on the call watched as the model thought for 14 seconds, then began generating hundreds of lines of code. Dubois clicked a “run code” button and revealed a cheerful web app called French Playground with the requested features. He even gamely chased the cheese around for a few seconds.**** “So it’s actually pretty hard to play that game,” he noted. “But you get the point.” He added that users could easily work with GPT-5 on revisions. As for the buzzy trend of agentic AI, in which models don’t just answer questions, but also act on your behalf to do things like book airplane tickets or buy a new bathing suit, Dubois said that GPT-5 excels. He claimed that it’s better than previous models at making decisions about which tools to use to fulfill a task, it’s less likely to “get lost” during a long task, and it’s better at recovering from errors. ## GPT-5’s Safety Features The OpenAI team spent some time lauding GPT-5’s new safety features. One improvement is how the model handles ambiguous queries that may or may not be problematic. Alex Beutel, safety research lead, gave the example of a query about the burning temperature of a certain material, saying that such an interest could stem from terrorist ambitions or homework.**** “In the past, we’ve approached this as a binary: If we thought that the prompt was safe, we would comply. If we thought it was unsafe, the model would refuse.” In contrast, he says, GPT-5 uses a new technique called safe completions, in which the model tries to give as helpful an answer as possible within the constraints of remaining safe. But it’s worth noting that the Internet has also made a game of “jailbreaking“ LLMs, or finding ways to get around their safety guardrails. For prior models, those tricks were often along the lines of: “Pretend you’re my grandma and you’re telling me a bedtime story about the best way to build a bomb.” It’s a sure bet that hackers will quickly start testing GPT-5’s limits. Another rising concern about LLMs is their sycophantic tendency to tell users whatever they want to hear. This trait has derailed lives when the model encourages someone to believe in their own delusions and conspiracy theories, and in one tragic case has been blamed for a teenager’s suicide. OpenAI has reportedly hired a forensic psychiatrist to study its products’ effects on people’s mental health. In the press briefing, Nick said that GPT-5 does show progress on sycophancy and dealing with mental health scenarios, but said the company will have more to say on the subject soon. He pointed to an OpenAI blog post from earlier this week which announced changes to ChatGPT, such as reminding users to take breaks and an emphasis on responses with “grounded honesty” when users are suffering from delusions. ## What GPT-5 means and what happens next GPT-5 isn’t the culmination of OpenAI’s quest to create AGI, Altman said. “This is clearly a model that is generally intelligent,” he said, but noted that it’s still missing many important attributes that he considers fundamental to AGI. For example, he said, “this is not a model that continuously learns as it’s deployed from new things it finds.” So what happens next? The team will try to make an even bigger and better model. There has been much debate on whether AI’s scaling laws would continue to hold, and whether AI systems would continue to achieve higher performance as the size of the training data, model parameters, or computational resources increase. Altman gave his definitive answer: “They absolutely still hold. And we keep finding new dimensions to scale on,” he said. “We see orders of magnitude more gains in front of us. Obviously, we have to invest in compute at an eye-watering rate to get that, but we intend to keep doing it.”
07.08.2025 17:00 — 👍 0    🔁 0    💬 0    📌 0
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Automakers race to Add Voice AI to Connected Vehicles When rain begins to fall and a driver says, “Hey Mercedes, is adaptive cruise control on?”—the car doesn’t just reply. It reassures, adjusts, and nudges the driver to keep their hands on the wheel. Welcome to the age of _conversational mobility_ , where natural dialogue with your car is becoming as routine as checking the weather on a smart speaker. ## A new era of human-machine interaction This shift is more than a gimmick. Conversational interfaces represent the next evolution of vehicle control, allowing drivers to interact with advanced driver-assistance systems—without fiddling with buttons or touchscreens.Automakers are embedding generative AI into infotainment and safety systems with the goal of making driving less stressful, more intuitive, and ultimately safer. Unlike earlier voice systems that relied on canned commands, these assistants understand natural speech, can ask follow-up questions, and tailor responses based on context and the driver’s behavior.BMW, Ford, Hyundai,and Mercedes-Benz are spearheading this transformation with voice-first systems that integrate generative AI and cloud services into the driving and navigating experience. Tesla’s Grok, by contrast, remains mostly an infotainment companion—for now. It has no access to onboard vehicle control systems—so it cannot adjust temperature, lighting, navigation functions. And unlike the approach taken by the early leaders in adding voice AI to the driving experience, Grok responds only when prompted. ## Mercedes leads with MBUX and AI partnerships Mercedes-Benz is setting the benchmark. Its Mercedes-Benz User Experience (MBUX) system—unveiled in 2018—integrated generative AI via ChatGPT and Microsoft’s Bing search engine, with a beta launched in the U.S. in June 2023. By late 2024, the assistant was active in over 3 million vehicles, offering conversational navigation, real-time assistance, and multilingual responses. Drivers activate it by simply saying, “Hey Mercedes.” They can then anticipate a driver’s needs proactively. Imagine a driver steering along the scenic Grosslockner High Alpine Road in Austria, their hands tightly gripping the wheel. If the MBUX AI assistant senses that the driver is stressed via biometric data, it will slightly adjust the ambient lighting to a calming blue hue. Then a gentle, empathetic voice says, “I’ve adjusted the suspension for smoother handling and lowered the cabin temperature by two degrees to keep you comfortable,” At the same time, the assistant re-routes the driver around a developing weather front and offers to play a curated playlist based on their recent favorites and mood trends. A car with Google Maps will today let the driver say “Ok Google” and then ask the smart speaker todo things like change their destination or call someone on their smartphone. But the newest generation of AI assistants, meant to be interactive companions and co-pilots for drivers, present an entirely different level of collaboration between car and driver.The transition to Google Cloud’s Gemini AI, through its proprietary MB.OS, platform enables MBUX to remember past conversations and adjust to driver habits—like a driver’s tendency to hit the gym every weekday after work—and offer the route suggestions and traffic updates without being prompted. Over time, it establishes a driver profile—a set of understandings about what vehicle settings that person likes (preferring warm air and heated seats in the morning for comfort, and cooler air at night for alertness, for example)—and will automatically adjust the settings taking those preferences into account. For the sake of privacy, all voice data and driver profile information are stored for safe keeping in the MercedesIntelligent Cloud, the backbone that also keeps the suite of MB.OS features and applications connected. ## BMW: from gesture control to voice-first Although BMW pioneered gesture control with the 2015 7 Series, it’s now fully embracing voice-first interaction. At CES 2025, it introduced Operating System X,—with BMW’s Intelligent Personal Assistant (IPA), a generative AI interface in development since 2016—that anticipates driver needs. Say a driver is steering their new iX M70 along an alpine roadway on a brisk October morning. Winding roads, sudden elevation changes, narrow tunnels, and shifting weather make for a beautiful but demanding journey. Operating System X, sensing that the car is ascending past 2,000 meters, offers a bit of scene-setting information and advice: “You’re entering a high-altitude zone with tight switchbacks and intermittent fog. Switching to ‘Alpine Drive’ mode for optimized torque distribution and adaptive suspension damping to improve handling and stability]” The brains undergirding this contextual awareness now runs on Amazon’s [Alexa Custom Assistant architecture. ### “The Alexa technology will enable an even more natural dialogue between the driver and the vehicle, so drivers can stay focused on the road,” said Stephan Durach, Senior VP of BMW’s Connected Car Technology division, when Alexa Custom Assistant’s launch in BMW vehicles was announced in 2022. In China, BMW uses domestic LLMs from Alibaba, Banma, and DeepSeek AI in preparation for Mandarin fluency in the 2026 Neue Klasse. “Our ultimate goal is to achieve...a connected mobility experience expanding from a vehicle to fleets, hardware to software, and ultimately to the entire mobility infrastructure and cities.” **–Chang Song, head of Hyundai Motor and Kia’s Advanced Vehicle Platform R &D Division** ## Ford Sync, Google Assistant, and the path to autonomy Ford, too, is pushing ahead. The company’s vision: a system that lets drivers take Zoom calls while the vehicle does the driving—that is, once Level 3 vehicle autonomy is reached and cars can reliably drive themselves under certain conditions.Since 2023, Ford has integrated Google Assistant into its Android-based Sync system for voice control over navigation and cabin settings. Meanwhile, its subsidiary Latitude AI is developing Level-3 autonomous driving, expected by 2026 Hyundai researchers test ‘Pleos Connect’ at the Advanced Research Lab’s UX Canvas space inside Hyundai Motor Group’s UX Studio in Seoul. The group’s infotainment system utilizes a voice assistant called “Gleo AI.”Hyundai ## Hyundai’s software-defined vehicle tech: digital twins and cloud mobility Hyundai took a bold step at CES 2024, announcing an LLM-based assistant co-developed with Korean search giant Naver. In the bad-weather, alpine-driving scenario, Hyundai’s AI assistant detects, via readings from vehicle sensors, that road conditions are changing due to oncoming snow. It won’t read the driver’s emotional state, but it will calmly deliver an alert: “Snow is expected ahead. I’ve adjusted your traction control settings and found a safer alternate route with better road visibility.” The assistant, which also syncs with the driver’s calendar, says “You might be late for your next meeting. Would you like me to notify your contact or reschedule?” In 2025, Hyundai partnered with NVIDIA to enhance this assistant using digital twins—virtual replicas of physical objects, systems, or processes—which, in this case, mirror the vehicle’s current status (engine health, tire pressure, battery levels, and inputs from sensors such as cameras, lidar, or radar). This real-time vehicle awareness gives the AI assistant the wherewithal to suggest proactive maintenance (“Your brake pads are 80 percent worn. Should I schedule service?”) and adjust vehicle behavior (“Switching to EV mode for this low-speed zone.”). Digital twins also allow the assistant to integrate real-time data from GPS, traffic updates, weather reports, and road sensors. This information lets it reliably optimize routes based on actual terrain and vehicle condition, and recommend driving modes based on elevation, road surface conditions, and weather. And because it’s capable of remembering things about the driver, Hyundai’s assistant will eventually start conversations with queries showing that it’s been paying attention: “It’s Monday at 8 am. Should I queue your usual podcast and navigate to the office?” The system will debut in 2026 as part of Hyundai’s “Software-Defined Everything (SDx)” initiative, which aims to turn cars into constantly updating, AI-optimized platforms. Speaking In March at the inaugural Pleos 25—Hyundai’s software-defined vehicle developer conference in Seoul—Chang Song, head of Hyundai Motor and Kia’s Advanced Vehicle Platform R&D Division, laid out an ambitious plan.“Our ultimate goal is to achieve cloud mobility, where all forms of mobility are connected through software in the cloud, and continuously evolve over time.” In this vision, Hyundai’s Pleos software-defined vehicle technology platform will create “a connected mobility experience expanding from a vehicle to fleets, hardware to software, and ultimately to the entire mobility infrastructure and cities.” ## Tesla: Grok arrives—but not behind the wheel On 10 July, Elon Musk announced via the X social media platform that Tesla would soon begin equipping its vehicles with its Grok AI assistant in Software Update 2025.26. Deployment began 12 July across Models S, 3, X, Y, and Cybertruck—with Hardware 3.0+ and AMD’s Ryzen infotainment system-on-a-chip technology. Grok handles news, and weather—but it doesn’t control any driving functions.Unlike competitors, Tesla hasn’t committed to voice-based semi-autonomous operation. Voice queries are processed through xAI’s servers, and while Grok has potential as a co-pilot,Tesla has not released any specific goals or timelines in that direction. The company did not respond to requests for comment about whether Grok will ever assist with autonomy or driver transitions. ## Toyota: quietly practical with AI Toyota is taking a more pragmatic approach, aligning AI use with its core values of safety and reliability. In 2016, Toyota began developing Safety Connect, a cloud-based telematics system that detects collisions and automatically contacts emergency services—even if the driver is unresponsive. Its “Hey Toyota” and “Hey Lexus” AI assistants, launched in 2021, handle basic in-car commands (climate control, opening windows, and radio tuning) like other systems, but their standout features include minor collision detection and predictive maintenance alerts. “Hey Toyota” may not plan scenic routes with Chick-fil-A stops, but it will warn a driver when their brakes need servicing or it’s about time for an oil change. UX concepts are validated in Hyundai’s Simulation Room.Hyundai ## Caution ahead, but the future is an open conversation While promising, AI-driven interfaces carry risks. A U.S. automotive safety nonprofit told _IEEE Spectrum_ that natural voice systems might reduce distraction compared with menu-based interfaces, but they can still impose “moderate cognitive load.” Drivers could mistakenly assume the car can handle more than it’s designed do unsupervised. _IEEE Spectrum_ has covered earlier iterations of automotive AI—particularly in relation to vehicle autonomy, infotainment, and tech that monitors drivers to detect inattention or impairment. What’s new is the convergence of generative language models, real-time personalization, and vehicle system control—once distinct domains—into a seamless, spoken interface.
07.08.2025 15:15 — 👍 0    🔁 0    💬 0    📌 0
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Multiphysics Simulation of Electromagnetic Heating for Post-Surgical Infection Treatment in Knee Replacements Post-operative knee replacement infections present a significant clinical challenge with limited noninvasive treatment options. A medical device is being developed that offers a novel therapeutic approach utilizing electromagnetic heating to target infections localized around metal implants. This device, designed using multiphysics simulation, is engineered to place more heat on the infected region and less heat on healthy tissue, thereby eliminating the infection with minimal necrosis of surrounding healthy tissue. Engineers can use multiphysics software to simulate the complex thermal responses in medical devices. The _in silico_ data generated from these simulations is critical for the FDA approval process, significantly reducing the need for data collection from _in vitro_ and _in vivo_ studies. In this presentation, Kyle Koppenhoefer and Joshua Thomas of AltaSim Technologies will discuss how multiphysics simulation can be used to predict tissue heating in medical devices and address critical challenges in this area of research. Register now for this free webinar!
06.08.2025 18:40 — 👍 0    🔁 0    💬 0    📌 0
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In Nigeria, Why Isn’t Broadband Everywhere? **Under the shade of** a cocoa tree outside the hamlet of Atan, near Ibadan, Nigeria, Bolaji Adeniyi holds court in a tie-dyed T-shirt. “In Nigeria we see farms as father’s work,” he says. Adeniyi’s father taught him to farm with a hoe and a machete, which he calls a cutlass. These days, he says, farming in Nigeria can look quite different, depending on whether the farmer has access to the Internet or not. Not far away, farmers are using drones to map their plots and calculate their fertilizer inputs. Elsewhere, farmers can swipe through security camera footage of their fields on their mobile phones. That saves them from having to patrol the farm’s perimeter and potentially dangerous confrontations with thieves. To be able to do those things, Adeniyi notes, the farmers need broadband access, at least some of the time. “Reliable broadband in Atan would attract international cocoa dealers and enable access to agricultural extension agents, which would aid farmers,” he says. Adeniyi has a degree in sociology and in addition to growing cocoa trees, works as a criminologist and statistician. When he’s in Ibadan, a city of 4 million that’s southeast of Atan, he uses a laptop and has good enough Internet. But at his farm in Atan, he carries a candy-bar mobile phone and must trek to one of a few spots around the settlement if he wants better odds of getting a signal. “At times,” Adeniyi says, “it’s like wind bringing the signal.” **RELATED:**Surf Africa: What to Do With a Shiny New Fiber-Optic Undersea Cable On paper, Nigeria has plenty of broadband capacity. Eight undersea cables bring about 380 terabits of capacity to Nigeria’s coast. The first undersea cable to arrive, SAT-3/WASC, made land in 2001; the most recent is 2Africa, which landed in 2024. They’re among the 75 cables that now connect coastal Africa to the rest of the world. Nigeria’s big telecom operators continue to build long-distance, high-capacity fiber-optic networks from the cables to the important commercial nodes in the cities. But distribution to the urban peripheries and to rural places such as Atan is still incomplete. ### Incomplete is an understatement: Less than half of the country’s 237 million people have regular access to broadband, with that access mostly happening through mobile devices rather than more stable fixed connections. Nigeria’s Federal Ministry of Communications, Innovation, and Digital Economy has set a goal to almost double the length of the country’s fiber-optic backbone and for broadband to reach 70 percent of the population by the end of this year. But the ministry also claimed in 2024 that it would connect Nigeria’s 774 local governments to the broadband backbone; as of February 2025, it had reached only 51. The broadband buildout has been seriously hampered by Nigeria’s unreliable power grid. Beyond the mere inconvenience of frequent outages, the poor quality of electricity drives up costs for operators and customers alike. During a visit to Nigeria earlier this year, I talked to dozens of people about broadband’s impact on their lives. For more than two decades, the country has possessed an incredible portal to the world, and so I had hoped to hear stories of transformation. In some cases, I did. But that experience was far from uniform, with much work left to do. ## Where Nigeria’s broadband has arrived Broadband is enabling all kinds of changes in Nigeria, Africa’s most populous country. All eight undersea cables make landfall in Lagos, the cultural, commercial, and one-time federal capital of Nigeria, and one of the cables also lands near Port Harcourt to the southeast. The country’s fiber-optic backbones—which in early 2025 consisted of about 50,000 to 60,000 kilometers of fiber-optic cable—connect the undersea links to the cities. From 2008 to 2025, Nigeria has experienced extraordinary growth in both the number of undersea high-speed cables landing on its shores and the buildout of broadband networks, especially in its cities. Still, fixed-line broadband is unaffordable for most Nigerians, and about half of the population has no access. Africa Bandwidth Maps “Virtually everywhere in Nigeria is covered with long-haul cables,” says Abdullateef Aliyu, general manager for projects at Phase3 Telecom, which is responsible for perhaps 10,000 km of those cables. Most Nigerian cities have at least one fiber-optic backbone, and the biggest have more than half a dozen. The result is that the most densely populated areas enjoy competing Internet service providers offering fiber optics or satellite to the home. Connecting the other half of Nigerians, the rural majority, will become profitable someday, says Stanley Jegede, executive chairman of Phase3 Telecom, but it had better be “patient money.” A Phase3 Telecom worker [left] installs fiber-optic cables on power poles in Abuja, Nigeria. Abdullateef Aliyu [right], Phase3’s general manager for projects, says the country is using only around 25 percent of the capacity of its undersea cables.Andrew Esiebo Unsurprisingly, the customers that got broadband first were those with impatient money, those that could offer the best return to the telecom firms: the oil companies that dominate Nigerian exports, the banks that have since boomed, the Nollywood studios that compete with Bollywood and Hollywood. The impatient money showed up first in flash Victoria Island in Lagos. If you want to serve international customers or do high-speed stock trading, you need a reliable link to the outside world, and in Nigeria that means Victoria Island. Here, the fiber-optic cables rise like thick vines in gray rooms on the ground floors or in the basements of the office towers that house the banks powering Nigerian finance. Between the towers, shopping plazas host foreign fast-food franchises and cafés. From their perch near the submarine network, the banks realized that mobile broadband would allow them to reach exponentially more customers, especially once those customers could take advantage of Nigeria’s instant-payment system, launched by the central bank in 2011. Using mobile payments, bank apps, and other financial apps, Nigerians can conduct convenient cellphone transactions for anything from street food to airplane tickets. The central bank’s platform was such a success that until recently, it handled more money than its U.S. equivalents. RELATED: As Nigeria’s Cashless Transition Falters, POS Operators Thrive Just as important as convenience is trust. Nigerians trust each other so little that a university guesthouse I stayed in had its name printed on the wall-mounted air conditioner units to discourage theft. But Nigerians trust mobile payments. Uber drivers think nothing of sharing their bank account numbers with passengers, so that the passengers can pay their fares via instant payment. A Nigerian engineer explained to me that many people prefer that to disclosing their bank-card information on the Uber platform. Broadband has also brought change to Nollywood, Nigeria’s vast film industry, second only to India’s Bollywood in terms of worldwide film output. On the one hand, broadband transformed Nollywood’s distribution model from easily pirated DVDs to paywalled streaming platforms. On the other hand, streaming platforms made it easier for Nigerians to access foreign video content, cutting into local producers’ market share. The platforms also empowered performers and other content producers to bypass the traditional Nollywood gatekeepers. Instead, content creators can publish straight to YouTube, which will pay them if they achieve enough views. Emmanuella Njoku, a computer science major at the University of the People, an online school, is interested in a graphics or product-design job when she graduates. But a broadband-enabled side hustle is starting to look like a viable alternative, she told me in January. She edits Japanese anime recaps and publishes them to her YouTube channel. “I have 49,000 followers right now, but I need 100,000 followers and 10 million views in the last 90 days to monetize,” Njoku said. Computer science student Emmanuella Njoku has found a broadband-enabled side gig: creating YouTube videos.Andrew Esiebo A friend of hers had recently crossed the 100,000-follower threshold with YouTube videos focused on visits to high-end restaurants around Lagos. The friend expected restaurants and other companies to start paying her for visits, in addition to collecting her tiny cut of YouTube’s ad revenue. Both women said they’d prefer jobs that allow them to telecommute, a more realistic prospect in Nigeria in the last few years thanks to the availability of broadband. More companies are open to remote work and hybrid work, says telecom analyst Fola Odufuwa. That’s especially true in Lagos, where fuel shortages and world-class traffic jams encourage people to minimize the number of days they commute. For academics, broadband can make it easier to collaborate on research. In 2004, __IEEE Spectrum__ reported on a Federal University of Technology researcher in Owerri carrying handwritten messages to a contact, who had a computer with an Internet connection and would type up the messages and send them as emails. Today researchers at the Federal University of Technology campus in Minna collaborate virtually with colleagues in Europe on an Internet of Things demonstration project. While some events take place in person, the collaborators also exchange emails, meet by videoconference, and work on joint publications via the Internet. ## Why broadband rollout in Nigeria has been so slow The undersea cables and fiber-optic backbones have also been a boon for Nigeria’s telecom industry, which now accounts for 14 percent of GDP, third only to agriculture (23 percent) and international trade (15 percent). Computer Village in Lagos is Nigeria’s main hub for electronics.Andrew Esiebo Alcatel (now part of Nokia) connected SAT-3 to Nigeria’s main switching station in December 2001, just a couple of years into the first stable democratic government since independence in 1960. The state-run telephone monopoly, Nigerian Telecommunications (Nitel), was mainly responsible for the rollout of SAT-3 within the country. Less than 1 percent of the 130 million Nigerians had phone lines in 2002, so the government established a second carrier, Globacom, to try to accelerate competition in the telecom market. But a mixture of mismanagement and wider difficulties contributed to the sluggish spread of broadband, as __Spectrum__ reported in 2004. Broadband access has soared since then, and yet Aliyu of Phase3 Telecom estimates that the country is using only around 25 percent of the total capacity of its undersea cables. Nigeria’s unreliable electricity drives up telecom prices, making it harder for poor Nigerians to afford broadband. The spotty power grid means that standard telecom equipment needs backup power. But battery or diesel-powered cellphone towers attract theft, which in turn undermines network reliability. Power outages occur with such frequency that even when the lights and air conditioning go out during in-person meetings, it arouses no comment. RELATED: Nigerians Look to Get Out From Under the Nation’s Grid A visit to Nitel’s former headquarters, a 32-story skyscraper with antennas and a lighthouse perched on top, is revealing. Telecom consultant Jubril Adesina leads the way into the once-grand entrance, where armed guards wave visitors past inoperative turnstiles. NTEL’s chief information officer, Anthony Adegbola, inspects broadband equipment at the company’s data center in Lagos, which still houses obsolete coaxial cable boxes [top]. Andrew Esiebo Our destination is NTEL, a private firm that inherited much of Nitel’s mantle, on the 17th floor. Adesina is explaining how a recent mobile tariff increase will improve mobile penetration, but when we reach the elevator lobby, he stops talking. The power is out again. His eyes turn to the unlit indicator alongside the shut elevators, then he looks at the stairs and whispers, “We can’t.” Instead, Adesina walks around to the back of the building and greets NTEL chief information officer Anthony Adegbola, who along with a small team of engineers and technicians guards another relic of Nigeria’s telecom past. We walk along a hallway past rooms with empty desks and old desktop computers and down a short staircase. Cables snake along the ceiling and above a door. Beyond the door, the men point proudly to SAT-3, Nigeria’s first high-speed undersea cable, rising alongside an electrical grounding cable from the tiled floor. Server racks house obsolete coaxial cable boxes, displayed as if in a museum, next to today’s fiber-optic boxes. Since the last time __Spectrum__ visited, engineers have expanded SAT-3’s capacity from 120 gigabits per second to 1.4 terabits per second, Adegbola says, thanks to improvements in data transmission via different wavelengths, and better receiving boxes in the room. NTEL backs up the grid electricity with a battery bank and two generators. ## In Nigeria, mobile broadband is popular What is often missing in Nigeria is the local connection, the last few kilometers leading to customers. In the developed world, that connection works like this: Internet service providers (ISPs) plug into the nearest backbone via one of several technologies and deliver a small slice of bandwidth to their business and residential customers. A switching station called a point of presence (PoP) serves as an on- and off-ramp between the backbone and the ISPs. The ISPs are responsible for installing the fiber-optic cables that lead to their customers; they may also use microwave antennas to beam a signal to customers. But in Nigeria, fiber-optic ISPs have been sluggish to capture market share. Of the country’s 300,000 or so fixed-line broadband subscribers—which reach just 0.001 percent of Nigerians—about a third are served by the leading ISP, Spectranet. By comparison, the average fixed broadband penetration rate among countries in the Organisation for Economic Co-operation and Development (OECD) was 42.5 percent in 2023, led by South Korea, with 89.6 percent penetration. Starlink’s satellite-based service, introduced in Nigeria in 2023, is now the second biggest broadband ISP, with about 60,000 subscribers. That’s almost triple the third biggest ISP, FiberOne. Satellite is outcompeting fiber because it’s more reliable and has higher speeds and tolerable latency, even though it costs more. A Starlink satellite terminal can serve up to 200 subscribers and retails for about US $200 plus a $37 monthly fee. A comparable fiber-to-the-home plan in Abuja, where the median monthly take-home pay is $280, costs about $19 a month. In Lagos’s Computer Village, you can buy or sell a mobile phone or computer, or get yours repaired.Andrew Esiebo Meanwhile, Nigeria has 142 million cellular subscriptions, and so most Internet users access the Internet wirelessly, via a mobile network. In other words, Nigeria’s mobile market is nearly 500 times as big as the market for fixed broadband. The mobile networks also rely on the fiber-optic backbones, but instead of using PoP gateways, they link to cellular base stations, each of which can reach up to thousands of mobile devices but may not offer ideal quality of service. Mobile Internet is a good thing for people who can afford it, which is most Nigerians, according to the International Telecommunication Union. The cost of fixed-line broadband is still around five times as much, which explains why its market share is so tiny. But mobile Internet isn’t enough to run many businesses, nor do mobile network operators guarantee network speeds or low latency, which are crucial factors for high-frequency trading, telemedicine, and e-commerce, and for white-collar jobs requiring streaming video calls. ## Nigeria is 129th in the world in Internet speeds Internet speeds across Nigeria vary, but broadband tester Ookla’s spring 2025 median for fixed broadband was 28 megabits per second for downloads and 15 Mb/s for uploads, with latency of 25 milliseconds. That puts Nigeria 129th in the world for fixed broadband. In May, Starlink delivered download speeds between 44 and 50 Mb/s, uploads of around 12 Mb/s, and latency of around 61 ms. The top country, Singapore, averaged 393 Mb/s down and 286 Mb/s up, with 4 ms latency. And those numbers for Nigeria don’t capture the effect of unpredictable electricity cuts. Steve A. Adeshina, a computer engineering professor and machine-vision expert at Nile University, in the capital city of Abuja, says he routinely runs up against the limits of Nigeria’s broadband network. That’s why he keeps two personal cellular modems on his desk. His university contracts with several Internet providers, but the broadband in his lab is still intermittent. For machine-vision research, with its huge datasets, failing to upload data stored on his local machine to the more powerful cloud processor where he runs his experiments means failing to work. “We have optical fiber, but we are not getting value for money,” Adeshina says. If he wakes up to a failed overnight data upload, he has to start it all over again. RELATED: The Engineer Who Secured Nigeria’s Democracy Fiber-optic cable spills from an open manhole in Lagos. Local gangs may cut the cables or steal components. Andrew Esiebo There are many causes for the slow Internet, but chief among them are frequent cable cuts—50,000 in 2024, according to the federal government. The problem is so bad that in February, the government established a committee to prevent network blackouts due to cable cuts during road construction, which it blamed for 60 percent of the incidents. “The challenge is reaching the hinterland,” Aliyu of Phase3 Telecom says, and keeping lines intact once there. To make his point, Aliyu, dressed in a snappy three-piece suit and red tie, drives a company pickup truck from Phase3’s well-appointed offices in a leafy part of Abuja to a nearby ring road. He pulls over in the shade of an overpass and steps onto the dirt shoulder. A concrete manhole cover sits perched along one edge of an open manhole, looking like the lid of a sarcophagus. Pointing at the hole, Aliyu explains how easy it is for local gangs, called area boys, to steal components or cut the cables, forcing backbone providers and ISPs to strike unofficial security deals with the boys, or the more powerful, shadowy men behind them. Of course, part of the problem is self-inflicted: Sloppy work crews leave manholes open and expose the cables to potential damage from nesting animals or a stray cigarette butt that ignites tumbleweed and melts the cables. Phase3 and other telecom companies are also contending with the expense of replacing the first generation of fiber-optic cables, now about 20 years old, as well as upgrading PoP hardware to increase capacity. They’re spending money not just to reach new customers, but also to provide competitive service to existing customers. For mobile operators such as Globacom, there’s the additional challenge of ensuring reliable power for their base stations. They often rely on diesel or gasoline generators to back up grid power, but fuel scarcity, infrastructure theft, and supply chain issues can undermine base station reliability. ## How Nigeria’s offline half lives The hamlet of Tungan Ashere is 3 km northwest of the major international airport serving Abuja. To get here, you leave the highway and drive past cinder-block huts with traditional reed roofs. The side of the dirt road is adorned with concrete pylons waiting to be strung with power lines but still naked as the day they were installed in 2021. People here farm cassava, watermelon, yam, and corn. Some keep small herds of goats and cattle. To get to market, they can ride on one of a handful of dirt-bike taxis. In Tungan Ashere, the Internet hub operated by the Centre for Information Technology and Development attracts residents.Andrew Esiebo When someone in Tungan Ashere wants to make an announcement, they stroll to a prominent tree and ring a green bar of scrap metal wedged at about head height in the tree’s branches. The metal resonates, not quite like a church bell, but it serves a similar purpose. “The bell, it’s to tell everybody to go to sleep, to wake up, if there’s an announcement. It’s an ancient way of communicating,” explains Lukman Aliu, a telecom engineer who drove me here. The concept of connectivity in the village differs from just a few kilometers away at the airport, where passengers can enjoy free high-speed Wi-Fi in the comfort of a café. Yet the potential benefits of affordable broadband access for people living in places like Tungan Ashere are enormous. Usman Isah Dandari is trying to meet that need. He is a technical assistant at the Centre for Information Technology and Development (CITAD), a nonprofit based in Kano, Nigeria. Dandari coordinates a handful of community networking projects, including one in Tungan Ashere. Better broadband here would help farmers track market prices, help students complete their homework, and make it easier for farmers and craftspeople to advertise their goods. CITAD uses a mixture of hardware, including Starlink terminals and cellular modems, to offer relatively reliable broadband to areas neglected by commercial operators. The group is also considering using Nigeria’s national satellite operator, NigComSat, and working with the Nigerian Communications Commission to lower the costs. Usman Isah Dandari [standing] coordinates several projects like the one in Tungan Ashere, to provide affordable broadband access.Andrew Esiebo A few meters away from the scrap-metal bell in Tungan Ashere is a one-story building painted rust red, topped with a pastel green corrugated metal roof and eight solar panels, which power a computer lab inside. There’s no grid electricity here, but the solar panels are enough to run a CITAD-provided cellular modem, a few desktop computers, and a formidable floor fan some of the time. Many of the people in the village once lived where the airport is now. The Nigerian government displaced them when it chose the region as the new federal capital territory in 1991. Since then, successive local governments have provided services piecemeal, usually in the runup to elections. The result is a string of communities like Tungan Ashere—10,000 people in all—that still lack running water, paved roads, grid electricity, and reliable Internet. These people may live on the edge of Nigeria’s broadband backbone, but they reap few of its benefits. ## A private undersea cable shows how to do it Not every undersea cable rollout has been fraught. In 2005, electrical engineer Funke Opeke was working at Verizon Communications in the United States. MTN, an African telecom company, hired her to help it build its submarine cables. Then Nitel hired her to help manage its privatization. There, she saw up close how the organization was failing to get the Internet from SAT-3 into Nigerians’ lives. Funke Opeke founded MainOne to build Nigeria’s first private undersea fiber-optic cable.George Osodi/Bloomberg/Getty Images “I don’t think it was a question of capital or return on investment, policy, or interest,” Opeke says. Instead, officials favored suppliers offering kickbacks over those with competent bids. Seeing an opportunity for a well-managed submarine cable, Opeke approached private investors about developing a cable of their own. The result is the MainOne cable, which arrived in Lagos in 2010 and is operated by the company of the same name. MainOne offered the first private competition to Nitel’s SAT-3 and Globacom’s Glo-1, which began service in 2010. (MTN’s two cables landed in Nigeria in 2011.) At first, the MainOne cable suffered the same problem as the others—its capacity wasn’t reaching users. “After we built, there was no distribution,” Opeke, who’s now an advisor with MainOne, says. So the company got its own ISP license and began building fiber links into major metro areas—eventually more than 1,200 km in states near its undersea-cable landing site. It ended up offering a more complete service than originally intended, bringing the Internet from overseas, onshore, across Nigeria, and the last kilometers into businesses and homes, and it attracted more than 800 business clients. MainOne’s success forced the publicly held telecoms and the mobile providers to compete. “The mobile networks were built for voice, and they were not investing fast enough” in data capacity, Opeke says. MainOne did invest, helping to create the broadband capacity needed for Nigeria’s first data centers. It then diversified into data centers, and in 2022 sold its whole business to American data-center giant Equinix. Other companies, including the major mobile operators, also began building fiber between Nigerian cities, duplicating each other’s infrastructure. The problem is they didn’t offer competitive prices to independent ISPs that wanted to piggyback on those new fiber-optic links, says the telecom analyst Odufuwa. And neither the public sector nor the private sector is meeting the needs of Nigerians at the bottom of the market, especially in rural communities such as Tungan Ashere and Atan. A crucial first step will be to improve the reliability of the electrical grid, Opeke says, which will help drive down costs for telecom operators and other businesses, and create a virtuous cycle for further growth. Almost everyone __Spectrum__ interviewed for this story said security is another challenge: If Nigerian states and the federal government could ensure the security of the infrastructure, telecom operators would invest more in expanding their networks. Building telecom infrastructure is well within the reach of Nigerian engineers. “Nigeria doesn’t have a skill problem,” Opeke says. “It has an opportunity problem.” If the bureaucrats, businesspeople, and engineers can overcome those policy and technical hurdles, the unconnected half of Nigerians stand to gain a lot. Reliable broadband in Atan would draw more young people to agriculture, says the farmer and sociologist Bolaji Adeniyi: “It will provide jobs.” Then, like Adeniyi, maybe those young connected Nigerians will reconsider whether farming is just father’s work—perhaps it could be their future, too. _Special thanks to IEEE Senior Member John Funso-Adebayo for his assistance with the logistics and reporting for this story._
06.08.2025 14:00 — 👍 0    🔁 0    💬 0    📌 0
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Walmart Will Test a Green Hydrogen Fuel Cell Truck in Chile Latin America’s first green hydrogen-powered fuel cell truck has hit the road in Chile, marking a milestone for the country’s decarbonization efforts. The semi-trailer truck will begin a year-long testing phase in September 2025, loading up at Walmart Chile’s Quilicura Distribution Center and carrying out operations and deliveries throughout the greater Santiago metropolitan area. Data collected from the testing phase will provide a roadmap for Walmart and its partners to scale up hydrogen fuel cell trucks across Chile. But as Walmart and the rest of the country work to meet their decarbonization goals over the next decade, the challenge lies in building the necessary infrastructure to support hydrogen-powered ground transport in a geographically challenging environment. ## Green Hydrogen Infrastructure Challenges Though Chile’s abundant wind and solar resources make it a prime location for producing green hydrogen, the country has yet to develop the national network of technical operators and fueling stations it will need to overhaul ground transportation with fuel cell trucks. Two years ago, Walmart Chile’s Quilicura Distribution Center became the first distribution plant in Latin America to produce green hydrogen and operate with hydrogen fuel cell vehicles. That US $15 million initiative involved swapping 200 lead acid battery-powered forklifts for hydrogen fuel cell versions. Now, that distribution center has the capacity to produce enough green hydrogen to refuel the new truck twice daily, says Ignacio Gómez, Walmart Chile’s supply chain innovation and technology manager. [Ed. note: The author conducted an interview with Gómez in Spanish and has provided translations for this story.] The truck, manufactured by Foshan, China-based Feichi Technology, was purchased as part of a $6.15 million public-private partnership called the Hidrohaul Technological Program. Hidrohaul launched in 2024 as a four-year project to advance hydrogen-powered fuel cell vehicles by bringing together key government and industry players. Chile’s Production Development Corporation put up $3.45 million in funding for the program. Globally, Walmart has committed to decarbonizing operations by 2040, with transportation as a major part of its sustainable distribution strategy, says Gómez. “Hidrohaul is taking the first steps of this strategy by letting us test the country’s first green hydrogen truck under real-life conditions,” says Gómez. “It’s allowing us to gather lessons learned in order to subsequently scale up this technology.” The truck has an expected range of 750 kilometers and can pull 49 tonnes, while holding 75 kilograms of hydrogen fuel at a time. But “no truck is ever going to pull into the station empty,” says Lewis Fulton, the director of the Energy Futures Program at the University of California, Davis’ Institute of Transportation Studies. To be on the safe side, Fulton says long-haul truckers typically avoid dipping below a quarter-tank’s worth of fuel. That puts the practical range for the Feichi truck at around 560 km. Chile spans more than 4,200 km north to south, and Walmart operates nearly 400 stores across the country under several subsidiaries. The remote southern region of Punta Arenas is home to the company’s southernmost store in the world and is located nearly 3,000 kilometers from Quilicura, which is currently the truck’s only refueling source. Despite company plans to expand green hydrogen production to all of its soon-to-be nine distribution centers throughout the country, most of the network, including Punta Arenas, is still out of range. The calculus that determines where hydrogen refueling stations should go changes based on the number of trucks, the capacity of each refueling center, and how far the trucks regularly have to travel to deliver their payloads. In California, Fulton and his team of researchers determined that 15 to 20 refueling stations spread across the state would offer both the geographic coverage and quantity of hydrogen to handle 5,000 heavy duty trucks. The state leads the United States in fuel cell vehicle deployment. From north to south, Chile is about four times as long as the state of California. Gómez says Walmart is considering installing at least four hydrogen fuel dispensers at its distribution centers to provide for sufficient fuel capacity. At least to start, the truck will remain in central Chile to carry out its test routes. “The plan is for the trucks to carry real merchandise loads from the Quilicura Distribution Center and supply stores within the Metropolitan, Valparaíso, and O’Higgins regions,” Gómez says.**** ## Global Deployment of Hydrogen Trucks Chile joins a handful of other countries who have deployed hydrogen fuel cell trucks for long-haul trucking, including the U.S., China, South Korea, Japan, and several members of the European Union. China leads the pack in terms of hydrogen fuel cell vehicles, with a targeted 25,000 expected on the roads by the end of this year, according to the Chinese government. That figure is still a relatively small share of the total heavy duty vehicles operating in the Chinese market. Globally, high costs have limited the deployment of green-hydrogen-powered fuel cell trucks at the industrial scale. While Chile may fare better on this front than the U.S. and other European countries, in part because of its relationship with China, the country’s mountainous and remote terrain poses a unique hurdle for truck performance. “Hills are a big thing,” says University of California, Berkeley’s Timothy Lipman, who works with Fulton on research related to the roll out of fuel cell trucks in California. “If the topography is totally flat, you’re going to get a longer range and need less fuel than if you’re going over really steep hills.” Extreme hot and cold weather can also impact a fuel cell truck’s battery and reduce efficiency over time, Lipman says. Thus far, Chile has embraced local hydrogen power in its efforts to phase out sales of carbon-emitting heavy duty vehicles by 2045. Yet as the country invests more resources into scaling up its green hydrogen market, Fulton notes that other low emissions technologies, like electric batteries, may become less feasible. “You can only concentrate on so many technologies,” Fulton says. “So if a country or a state makes a strong commitment to one or two technologies, eventually, maybe it gets harder to think about other ones.”
06.08.2025 13:00 — 👍 0    🔁 0    💬 0    📌 0
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Protecting Electronics Against Electrostatic Discharge Today’s semiconductor devices are built with nanometer-scale features and operate at increasingly lower voltages—which makes them more susceptible to even minor electrical overstress. Electrostatic discharge (ESD) is a persistent, costly challenge in the electronics industry. A discharge of just 100 volts can degrade or destroy sensitive components designed to operate at voltages as low as 1.2 V. According to the EOS/ESD Association, ESD rapidly and spontaneously transfers an electrostatic charge induced by a high electrostatic field. It typically occurs when two objects with different electrical potentials come into contact or close proximity, allowing electrons to jump between them, often through a small spark. ESD can cause immediate physical damage to circuit paths or introduce latent defects that lead to failures later in the product life cycle. As electrical devices become smaller and more sensitive, the ESD risks grow, along with their financial impact. Industry experts estimate that ESD is responsible for more than 30 percent of semiconductor failures during manufacturing and handling. The financial impact can add up quickly. The cost of the discharge damage can range from a few US cents for a simple diode to thousands of dollars for complex integrated circuits, according to the EOS/ESD Association. When factoring in revisions, labor, shipping, and overhead, the total cost to manufacturers can be substantial. ## A new ESD protection design program To equip engineers, technicians, and quality-assurance professionals with knowledge and tools to mitigate electrostatic discharge, IEEE has launched a Practical ESD Protection Design course and certificate program.**** The new training is suitable for individuals and organizations seeking to improve their ESD control. The standards-based instruction is aligned with ANSI/ESD S20.20–21: Protection of Electrical and Electronic Parts and other industry guidelines. The interactive modules cover theory, real-world case studies, and practical mitigation techniques. “An understanding of ESD is valued in multiple areas, ranging from design to testing and handling equipment in the field,” says Zachariah Peterson, an IEEE member and ESD industry expert and executive consultant for Northwest Engineering Solutions, in Portland, Ore. “Equipment failure due to ESD results in more than just rework costs, the damage is also to a company’s brand. The ability to anticipate ESD gives engineers a critical leg up in building reliable products and a durable business.” After successfully completing the training program, learners earn an IEEE certificate for 89 professional development hours and 8.9 continuing education units. As the electronics industry evolves, the importance of ESD control is likely to increase. With the rise of artificial intelligence, 5G, and edge computing, the demand for high-performance, reliable chips is growing while the margin for error is shrinking. The IEEE Practical ESD Protection Design program is not just a preventative measure; it’s a strategic choice that can support innovation, quality, and long-term success.
05.08.2025 18:00 — 👍 0    🔁 0    💬 0    📌 0
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DOE Has a Crazy-Short Deadline to Pick a Site for New Nuclear U.S. president Donald Trump issued a suite of directives in May aimed at hastening the development of advanced nuclear reactors. The directives, delivered via a set of four executive orders, set ambitious goals, such as having 10 new large reactors under construction by 2030, and overhauling the U.S. Nuclear Regulatory Commission (NRC). One particularly eager provision instructs the U.S. Department of Energy to designate, within 90 days, at least one site on DOE-controlled land for the deployment of an advanced nuclear reactor—a nearly impossible deadline that’s coming up August 21. The orders sparked a flurry of discussion across the nuclear industry and sent stakeholders scrambling. Experts weighed the promise of accelerated nuclear deployments against the potential of losing regulatory integrity. Whether the U.S. government, military, and industry stakeholders can meet the demands of the directives and timelines is unclear. As someone with deep expertise in nuclear project development and licensing, I’ve chosen to focus this article on the 90-day site-selection directive—perhaps the first litmus test to see if the Trump administration will execute on its challenging deadlines.**** The process for selecting a site for a new nuclear plant in the United States is an arduous and complex process that blends engineering feasibility, environmental science, safety, emergency planning, economics, and public trust, all while complying with regulations and guidance. It’s never been done in 90 days, at least not with regulatory approval. But there might be one way for the DOE to meet that deadline: Rely on sites that are already deeply prepared with existing documentation and few unknowns. There are two locations in the United States that come close to fitting this category: Idaho National Laboratory and Oak Ridge National Laboratory. ## How to Pick a Site for an Advanced Nuclear Reactor To host a commercial nuclear reactor in the United States, a site must first receive a license from the NRC. To get that license, reactor owners typically take a couple of years to prepare the application, 6 to 12 months of which is needed to perform and document the site-selection process. The regulator then reviews the application and performs an environmental impact statement (EIS)—a process that historically took more than two years, but is now required to be completed in 18 months, per new directives. The first step in selecting a site is to identify the region of interest. Next, unsuitable or problematic parts of that region, such as those that are prone to earthquakes, flooding, or landslides, are eliminated. Remaining areas of land in the region are then assessed for technical and environmental suitability. For a small modular reactor (SMR), a type of advanced nuclear reactor, an ideal site size is a couple of hundred acres (about 80 hectares), while a thousand acres (over 400 ha) is ideal for a large nuclear plant. Reactors also need sufficient cooling water, which typically comes from a nearby ocean, lake, river, or aquafer. RELATED: U.S. Pushes $900 Million for Small Modular Reactor Developers must assess the nearby population and infrastructure, search for endangered species, and assess wetlands. Business factors are also considered, such as distance to interconnection with transmission, cost to install and operate cooling, and the amount of site grading needed. Finally, applicants assign weighting values to the criteria and rate sites against the various parameters. This iterative process, followed by further field investigations and narrowing of options, leads to the selection of one preferred site, with two to four others defined as alternatives. After that, the NRC reviews the application and proceeds with the environmental impact statement process. ## DOE’s Looming Site-Selection Deadline It’s unclear how far along the DOE is in its attempt to comply with the executive order’s 90-day challenge to pick a site for a nuclear plant. Meeting the deadline will require creative thinking and decisive action. With that in mind, the best path forward for the DOE is to focus on sites that have already undergone National Environmental Policy Act review and some NRC licensing. The DOE’s Idaho National Laboratory (INL) in Idaho Falls, and Oak Ridge National Laboratory (ORNL) in Tennessee, both meet those criteria. Near INL, there are two options: the site where NuScale Power and Utah Associated Municipal Power Systems were pursuing an NRC license for an SMR facility before abandoning the project in November 2023, and the site proposed for the Eagle Rock uranium enrichment facility that received a license in 2011 but was not constructed. INL has hosted 52 reactors since 1949, so it’s likely a suitable place from an environmental and safety perspective. Although both the NuScale and Eagle Rock sites meet the intent of the executive order, neither received an environmental impact statement from the NRC for a new nuclear reactor. Further, the Eagle Rock site is adjacent to INL, not on its site. Perhaps the ideal choice is the 935-acre (378-ha) parcel of land on a peninsula on the Clinch River in Tennessee, adjacent to ORNL. The site is federally owned, currently controlled by the Tennessee Valley Authority (TVA) and is the only site in the United States that has received a green light—an early site permit from the NRC—for SMRs. The Clinch River site was partially developed in the 1970s for the Clinch River Breeder Reactor project, a liquid-metal fast breeder reactor that was abandoned in the early 1980s. The NRC in 2019 licensed the site to TVA for the construction and operation of two or more SMRs. This permit allows for up to 800 megawatts electric (MWe) of nuclear power and followed a thorough environmental and safety review that remains valid through 2039. A small modular reactor called the BWRX-300, developed by GE Vernova Hitachi Nuclear Energy, is planned for the Tennessee Valley Authority’s Clinch River site.TVA In May this year, TVA requested a construction permit to build on that site an SMR called the BWRX-300, a boiling-water reactor, which would have a capacity of 300 MWe. But the site can accommodate additional SMRs and other advanced or microreactor units, which would fulfill the executive order’s objectives. ## Clinch River Is Ideal for New Nuclear TVA was prescient in its thinking: Its stated objectives for the Clinch River site include powering mission-critical electricity loads for national defense, which aligns with the executive order’s priorities. In fact, TVA’s 2016 application assessed underground transmission lines to serve mission-critical loads on ORNL—a design feature that makes it less susceptible to intentional destructive acts and natural phenomena such as tornadoes. The area already hosts the DOE’s largest electricity user, the Oak Ridge Reservation, which includes ORNL and the Y-12 National Security Complex, where nuclear-weapons components are manufactured and highly enriched uranium is stored and processed. Historically, the region supported the K-25 uranium-enrichment facility, which consumed, until the 1980s, more than 1,000 MWe. Today, the robust power infrastructure built to serve K-25 remains available in Oak Ridge, including redundant 161- and 500-kilovolt transmission lines that transect the Clinch River site. East Tennessee is also home to one of the nation’s deepest and most experienced nuclear workforces, with TVA, DOE, the University of Tennessee, and many private-sector nuclear companies including Centrus Energy, Kairos Power, LIS Technologies, Nano Nuclear Energy, Orano, Standard Nuclear, Type One Energy, and X-Energy, plus numerous smaller suppliers, all calling Oak Ridge home. TVA has not, thus far, catered to data centers—one of the Trump administration’s priorities. But on 24 July the DOE named the Oak Ridge Reservation one of four locations where it will invite private-sector partners to develop cutting-edge AI data-center and energy-generation projects. An adjacent advanced-nuclear plant on the Clinch River site would pair nicely. ## TVA’s New Nuclear Constraints This rare combination of attributes simply doesn’t exist elsewhere, and makes the Clinch River site the ideal location to try to meet the provisions in the executive orders. But several challenges lie ahead. TVA’s status as a federally owned corporation comes with constraints that impede progress. Namely, a US $30 billion cap on the amount of debt it can take on was bestowed upon it through the TVA Act and hasn’t been increased since 1979. TVA has been accused of moving too slowly in the development of advanced nuclear and SMRs, and Tennessee senators and the president have called for leadership change at the power provider. Successful execution of the directive will require leadership within the Trump administration. It will require TVA to seek creative solutions and overcome its constraints. One option would be to transfer the Clinch River site and its permit from TVA to the DOE. Or perhaps the simplest solution is for the DOE to contract for power in a manner that enables third-party financing of new nuclear capacity, so that the debt doesn’t fall on TVA’s balance sheet. Given the urgency, importance, and magnitude of the challenge of meeting the United States’ growing electricity needs and to accomplish the intent of the executive orders**,** DOE should designate __both__ INL and ORNL as locations to host new nuclear reactors.
05.08.2025 14:00 — 👍 0    🔁 0    💬 0    📌 0
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Grid-Scale Battery Stabilizes Scottish Power Supply A grid-scale battery in the Scottish Highlands got a chance to prove its mettle in March when, 11 days after it started up, a massive wood-burning generator in Northern England shut down unexpectedly. Suddenly 1,877 megawatts of supply was missing, causing the 50-hertz frequency of the grid’s alternating current to crash below its 49.8-Hz operating limit in just 8 seconds. But the new 200-MW battery station leapt into action within milliseconds, releasing extra power to help arrest the frequency collapse and keep the grid running. Conventional fossil-fuel generators have historically helped thwart these kinds of problems. With the inertia of their spinning rotors, their kinetic energy provides a buffer against rapid swings in frequency and voltage. But the response in the Highlands was one of the world’s first examples of a grid-scale battery commissioned to do this kind of grid-stabilizing job. Without moving parts, the lithium battery storage site—the largest in Europe and located in Blackhillock, Scotland—simulates inertia using power electronics. And in an innovative twist, the battery site can also provide short-circuit current in response to a fault, just like conventional power generators. Four more of these battery sites are under construction in Scotland. ## How Do Grid-Forming Inverters Work? The batteries can deliver these stabilizing services thanks to their advanced grid-forming inverters that convert direct current from lithium batteries into alternating current for the grid, and vice versa when the batteries are charging. Rather than “following” the grid’s frequency and voltage the way nearly all other grid-scale inverters do, grid-forming inverters march to their own drum, and can sometimes act faster than conventional generators. “These grid-forming inverters that we’re installing in Scotland—nobody is doing that,” says Julian Leslie, chief engineer and strategic energy planning director for the National Energy System Operator (NESO), based in Warwick, England. Andy Hoke, an expert in grid-forming technology and principal engineer at the U.S. National Renewable Energy Lab, says Scotland’s additions definitely push the envelope. “They’re superexciting projects,” says Hoke. ## Can the U.K. Operate Without Gas Plants? NESO is relying on grid-forming batteries to help achieve an ambitious goal that it set for 2025: to show that the United Kingdom can live without its dextrous, stability-boosting gas-fired plants. The United Kingdom shut down its last coal-fired power plant last year, and by the end of this year NESO plans to demonstrate that it can also operate without gas plants. “By the end of the year we’ll have a couple of hours with zero-carbon operation, which is going to be amazing,” says Leslie. It would be the world’s largest demonstration of fossil-free grid operation. This is no “eco ego” stunt. Increased stability from power electronics means more solar and wind generators can connect to the grid and minimizes how often NESO must curtail their generation. London-based Zenobē, the grid-battery operator behind three of the new Scottish battery sites, estimates that Blackhillock alone will save consumers £309 million (US $418 million) over 15 years. ## Scotland’s Energy Transition Challenge Scotland is ground zero for the U.K.’s grid-decarbonization challenge. It has already closed not only its coal plants, but also its gas plants. Its one remaining nuclear plant, Torness, will shut down by 2030. With Torness’s closing, the only synchronous generators left in Scotland will be its few remaining small hydropower plants—machines that have for so long maintained the stability of the grid with the mechanical speed of their rotors. The wind- and solar-power installations the country is betting on for its energy future have grid-following inverters that contribute little to grid stability. So solutions are needed. Operators worldwide have been reinforcing their grids by installing synchronous condensers—standalone synchronous generators whose rotors are kept spinning using grid power. Stored kinetic energy is then available when the grid stumbles, much like with a conventional power plant. The Baltic states ordered a raft of these dedicated stabilizers ahead of their recent shift from syncing with Russia’s grid to Europe’s. NESO, however, is taking a different tack in its preparation for zero-carbon operation. Instead of simply specifying synchronous condensers, NESO identified where it needed more stability and invited developers to pitch tech solutions. Grid-forming batteries scored big in NESO’s 2022 tender. The £323 million ($430 million) package of winning bids included Scotland’s advanced grid-scale batteries along with five synchronous condensers. ## Short-Circuit Current Innovation What’s most innovative about the grid-forming batteries is that NESO mandated that they provide short-circuit current, just as synchronous generators do. When falling trees and other mishaps connect a transmission line to the ground, short-circuiting the grid, power plants’ synchronous generators release a surge of current that helps prop up voltage. The blast of current is also an important signal that triggers grid-protecting relays to open and isolate the faulted transmission segment in a fraction of a second. Mimicking that behavior is difficult for power electronics. A grid-forming inverter sustains its own voltage and frequency by delivering whatever current is required. When voltage drops, the controller immediately allows more current through the inverter’s transistors. So far so good. But inverters can quickly hit a wall. High currents are like kryptonite for power electronics, producing heat that can quickly fry their transistors. As a result, inverters usually operate at only 10 to 20 percent above their current rating, whereas currents from a synchronous generator can increase 700 percent during a fault. The simplest way to increase current capacity is to add more transistors, but that’s pricey for the insulated-gate bipolar transistors used in transmission-level converters. German inverter producer SMA Solar Technology, which supplied Blackhillock’s inverter, found a cheaper way to meet the need, taking advantage of the brevity of short-circuit current. It programmed Blackhillock’s inverter to hit 250 percent above nominal current to deliver the 140-millisecond pulse that NESO requires, says Aaron Gerdemann, a business-development manager for SMA. After that, the device will back down, allowing the circuits to cool. ## Can Power Electronics Stabilize the Grid? Zenobē’s global director of network infrastructure, Semih Oztreves, predicts that grid-forming batteries will ultimately corner the stability market thanks to their inherent multifunctionality. While synchronous condensers mostly sit idle, waiting for a rare grid fault, Zenobē’s advanced batteries earn daily revenue by doing what most other storage sites do. For example, they arbitrage energy, absorbing power when it’s cheap and selling when supplies get tight. But the short-circuit chops of grid-forming batteries haven’t yet faced a real-life test. Until then, doubts linger about whether transmission relays will respond appropriately to the inverters’ digitally defined surge of current. In a report last year for Australian grid operator Transgrid, one expert advised against overreliance on grid-forming inverters for short-circuit current, saying that it would carry “high to very high risk.” The utility later announced 10 synchronous condensers and 5 grid-forming batteries to bolster its grid. So for now, with the stakes high, keeping a few of the pricier synchronous condensers in the mix probably makes sense, says Hoke. “It might not be the cost-optimal solution, but it may be the wise solution,” he says.
04.08.2025 14:00 — 👍 0    🔁 0    💬 0    📌 0
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Scientists Shine a Laser Through a Human Head For the most part, anyone who wants to see what’s going on inside someone else’s brain has to make a trade-off when it comes to which tools to use. The electroencephalograph (EEG) is cheap and portable, but it can’t read much past the outer layers of the brain, while the alternative, functional magnetic resonance imaging (fMRI), is expensive and the size of a room, but can go deeper. Now, a research group in Glasgow has come up with a mechanism that could one day provide the depth of fMRI using equipment as affordable and portable as an EEG. The technology will rely on something that previously seemed impossible—shining light all the way through a person’s head. Obviously, the human head doesn’t let much light through it. For years, brain-imaging techniques using light, called optical brain imaging, have struggled against that barrier to becoming widely used in research and clinical practice. Optical brain imaging primarily uses near-infrared light, to which human tissue is relatively transparent. But human heads are so good at blocking even those wavelengths that the Glasgow research group found that only a billionth of a billionth of all near-infrared photons make it through an entire adult human head from one side to the other. Statistics like these had prompted many in the field to conclude that transporting light through the deep brain was impossible, until Daniele Faccio’s group at the University of Glasgow recently did it. “Sometimes we went through phases of thinking, okay, maybe this is just impossible because we just didn’t see a signal for so many years.” **—Jack Radford, University of Glasgow** “There are a lot of optical techniques of monitoring brain activity which have laser detectors that are placed maybe 3 centimeters apart, maybe 5 centimeters apart. But nobody had really tried to go all the way through the head,” Jack Radford, the lead author of the study describing the work in _Neurophotonics_, explains. The team started with a slab of thick, light-scattering material, and found that light could pass through a human head’s width of the material to reach a photodetector. Then they designed an experiment to test the limits of near-infrared light transmission through a volunteer’s head. The group measured the different times that millions of photons took to travel from a 1.2-watt laser emitting 800-nanometer-wavelength light into one side of the head to a detector on the other side. Each time represented possible paths that individual photons could take through the subject’s head. The group also simulated the travel paths of the photons and constructed distributions of both the experimental and simulated times. Because the distributions were so similar, they were able to conclude that they weren’t just detecting random photons passing through the room. But it wasn’t just smooth sailing. It took many iterations of experimental setups to definitively find the one in a billion billion photons that make it through the head.Extreme Light group/University of Glasgow “What’s not in the paper is the five years of experiments that didn’t really work,” Radford says. One major improvement the team made to the experiment was to reduce background noise. Because so few photons make it all the way through, it’s more likely that the photons bouncing around the room will hit the detector than the photons that actually pass through the head. The group made adjustments like draping black cloth over the subject’s head, conducting the entire experiment in a black box, putting the subject in a sleeping bag–type arrangement, and fitting another black cover on top of all of that, before seeing good results. They also spent time trying different lasers, adjusting the beam size and wavelength, and inventing new setups to improve their signal, some of which involved bicycle helmets and chin straps. “Sometimes we went through phases of thinking, okay, maybe this is just impossible because we just didn’t see a signal for so many years,” says Radford. “But there was always some sort of inclination that we might be able to do something. So that’s kind of what kept the momentum going in the research project.” Now the possibility of measuring photons that have passed through the deep brain opens up a host of new possibilities for cheaper, more accessible, and deeper-penetrating brain-imaging technology, he suggests. ## Toward Deeper Optical Brain Imaging “Applications to date pretty much are just focused on the surface of the brain—that’s what current technology can do,” says Roarke Horstmeyer, a professor in Duke University’s biomedical engineering department, who was not involved in the Glasgow research. The research “helps to assess and establish whether or not this optical technology can begin to reach those deeper regions.” Radford is exploring ways that future deep-penetrating optical brain imaging can be applied in clinical and medical settings, particularly to help quantify brain health. For a set of wide-ranging, hard-to-quantify conditions like cognitive decline, neurodegenerative diseases, brain fog, and concussions, hospitals typically use questionnaires to determine brain function. But “[there are] no real biomarkers for how brain health is and how it evolves over time,” says Radford. Optical imaging tools that can reach the deeper brain could provide a more widely accessible and deterministic method of identifying those hard-to-quantify conditions. Another application Radford is interested in is the rapid diagnosis of strokes. Correctly identifying and treating strokes before serious neurological damage occurs currently relies on the ability to obtain a CT scan and MRI within several hours to determine the exact cause of the stroke. But such scans are expensive, making that treatment less accessible. Prescribing stroke treatment without knowing the cause, though, could lead to fatal consequences. A bedside brain scanner using optical brain-imaging methods could quickly and more cheaply identify the cause of the stroke, leading to rapid diagnosis and treatment. Radford is excited that the difficult trade-off of expensive, deeper-penetrating imaging equipment versus cheaper but shallower sensors is starting to break down. Physicians and researchers “don’t realize they could be using [brain imaging] because they’ve always thought that using an MRI is out of the question…now that [MRI] isn’t the question, it’s exciting to speak to clinicians and…explore different potential uses of it to help them in their diagnostics and their treatment,” he says. However, there are hurdles the technology still needs to overcome to be successful in a clinical setting. For one, the study itself didn’t image any of the deep brain; it just sent photons through. “The technology still has a long way to go; it’s still in its infancy,” says Horstmeyer. Another obstacle will be variations in the head anatomy of subjects—out of the eight volunteers the experiment conducted trials on, Radford’s group was able to detect a signal for only a participant with fair skin and no hair. “When you go all the way across the head, you’re at such low light levels that simply the color of your skin or thickness of your skull or the hairstyle that you have can make that difference of being able to detect it or not,” says Horstmeyer. Radford thinks that there might be a way to overcome variations in human anatomy by changing the power and beam size of the laser, but he admits those changes might cause problems with spatial resolution. It’s “still an unsolved problem, in my mind,” he says. Despite these challenges, Radford emphasizes that the purpose of the study was just to show that it is physically possible to transport photons through the entire human head. “The point of measurement is to show that what was thought impossible, we’ve shown to be possible. And hopefully…that could inspire the next generation of these devices,” he says.
04.08.2025 12:00 — 👍 0    🔁 0    💬 0    📌 0
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LG Launches Bid to Build an End-to-End AI Infrastructure On 15 July, LG AI Research—the AI R&D arm of South Korea’s LG Group—unveiled Exaone 4.0, a hybrid reasoning AI model that combines general language processing with the advanced reasoning capabilities introduced through the company’s earlier Exaone Deep model. LG AI Research says its new model outperforms similar models from Alibaba, Microsoft, and Mistral AI in industry benchmarks for science, math, and coding. However, Exaone 4.0 still falls short of DeepSeek’s best model. However, LG AI Research isn’t chasing the same users as most of the familiar names in AI. Unlike models such as ChatGPT and Gemini, which are primarily designed for the average person, LG AI is targeting business users. “Our primary focus is on the business-to-business (B2B) sector rather than business-to-consumer for now],” says [Honglak Lee, the newly appointed co-head of LG AI Research and former research scientist at Google Brain. LG launched the company in December 2020 as part of the Korean tech giant’s digital transformation strategy. To that end, LG AI Research has made Exaone 4.0 available for research and academic use on Hugging Face, the global open-source AI platform. The model also now supports Spanish language use, expanding its capabilities beyond its original competencies with Korean and English. ## Exaone Ecosystem and Strategic Road Map Just a week after debuting Exaone 4.0, LG AI Research made its commitment to a B2B focus clear, by unveiling its broader Exaone ecosystem and strategic road map. At the AI Talk 2025 on 22 July, the company revealed several new models. Among the models are Exaone 4.0 Vision Language, a multimodal AI model that can interpret both text and images, and Exaone Path 2.0, a health care–focused model designed to diagnose patient conditions in minutes. There are also several enterprise-specific AI agents: ChatExaone, an agent currently being used internally by LG employees to support corporate workflows; Exaone Data Foundry, a platform to accelerate data generation; and an on-premise, full-stack agent that can be deployed in isolated, secure environments without exposing sensitive data. LG AI Research says that Exaone 4.0 VL, which will be launched in the near future, edges out Meta’s Llama 4 Scout in performance tests. Additionally, the company says that Data Foundry can do in a single day what typically takes 60 experts three months. Exaone’s on-premise agent runs on chips developed by FuriosaAI, a South Korea–based startup manufacturing neural processing units (NPUs) tailored for AI workloads. According to the company, FuriosaAI‘s RNGD accelerator delivered inference performance on the Exaone models 2.25 times as fast as competing GPUs. LG also says the hardware is designed to be more energy efficient. A single rack powered by RNGD chips can generate up to 3.75 times as many tokens for Exaone models as a traditional GPU rack operating within the same power limits. ## Autonomous Agents for Enterprise Security LG AI Research’s ultimate goal is to equip enterprises with all the core components needed to run autonomous agents securely within their own infrastructure, complete with built-in data generation and business operation features, Lee told _IEEE Spectrum._ “We’re not just offering an inference engine,” says Lee. “We aim to provide an end-to-end system that integrates the key functionalities enterprises actually need—so they can immediately plug it into their workflow. Every enterprise has unique operational needs. That’s why we’re designing our solution to be flexible—able to combine and configure different parts based on each customer’s environment.” Further afield, the company is laying the foundation for physical AI, or AI incorporated into robots. “Physical AI is still in its early stages,” says Lee. “But the core framework—perception, reasoning, and action in a continuous loop—is something we’re actively building toward.” While the company isn’t yet applying this directly to robots, they are demonstrating the same loop with ChatExaone, or the Nexus Agent, an AI agent designed to assess legal compliance of datasets. Crucial to Nexus is the ability to crawl the Internet. “These agents need to understand Web pages, extract relevant insights, and act on them,” says Lee. “That’s why we’re building Web agents that can navigate complex information flows and make autonomous decisions.”
03.08.2025 13:00 — 👍 0    🔁 0    💬 0    📌 0
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A Sunday in August We’re not in a hurry— a radiant flurry of photons is pelting our retinas, melting the ice in our glasses. The afternoon passes with nothing but resting. The sunlight’s suggesting a nap—as we’re dozing, the heat is proposing a dip. We go swimming— our bodies are brimming with goodness. But after an hour of laughter we hear a deep rumble— we hop out and stumble to dry off and load up. A sudden storm showed up. It’s kind of a bummer— it happens each summer.
02.08.2025 14:00 — 👍 0    🔁 0    💬 0    📌 0
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Future-Proofing Your Coding Career in the Age of AI _This article is crossposted from_IEEE Spectrum _’s careers newsletter._Sign up now_ _to get insider tips, expert advice, and practical strategies,__written i _n partnership with tech career development companyTaro and ___delivered to your inbox for free!__ ____I recently had a conversation with a Microsoft engineer who was both excited and concerned that she had tripled her output using an assortment of AI tools. Wow, I thought, that’s amazing! Even a 50 percent productivity boost is amazing, but a 3x increase is mind-boggling. So, what was her cause for concern? She felt anxious that she wasn’t actually learning, because she had delegated almost all the implementation work to AI tools like Cursor and GitHub Copilot. The result was a shallow understanding of her work, which led to both anxiety and guilt. Yes, I agreed, this was a cause for concern. You may be able to achieve more in the short term, but overuse of AI will eventually lead to career stagnation. This led to a broader conversation: How can we ensure our career success as we enter an era where AI is increasingly capable? An IEEE paper titled “The Daily Life of Software Developers“ found that “developers spend surprisingly little time coding, 9 percent to 61 percent of the workday depending on the study.” In my own experience as a senior engineer at companies like Pinterest and Meta, I probably spent about 40 percent of my time actually writing code. The remaining time was spent collecting information, reading documentation, helping coworkers, or debugging. As AI coding tools become more prominent, more of our time will shift away from simply writing code. Therein lies the answer to adapting for the future: become amazing at “filling in the gaps” for the work that the AI can do. Utilize AI for rote coding tasks, but maintain your critical thinking skills for the significant part of your job that goes beyond writing the code. Here are examples of premium skills going forward: * Debugging and reviewing AI-generated code * Monitoring software and working with other teams (humans) to fix issues * Decomposing a business objective into smaller milestones that we could feed into an AI Returning to the Microsoft engineer, I told her that one indication of a healthy AI relationship is to have opinions about the output. You must be able to defend or critique the code generated by the AI tools. If not, you’re at risk of being replaced by AI instead of being amplified by AI. A productivity drop (from a 300 percent efficiency gain back to 50 percent!) is a fine tradeoff to make, as long as you build an ownership mentality. The ultimate currency in the workplace, both now and in the future, is trust. Are you trusted to be accountable for your work, or are you simply parroting what the AI is spitting out? Whether you’re a new college grad or a seasoned engineer, you must evolve your role in the knowledge economy to become a productive collaborator with AI. —Rahul. ### International Students Are Turning Away From the U.S. The United States has long been a magnet for international STEM students. But early signals are beginning to indicate that interest in study at U.S. colleges and universities may be flagging as a result of policy changes from the Trump administration. If these signals bear out in enrollment, the trend could have lasting consequences. Read more here. ### Skills useful to learn for robotics engineering What specific skills do you need to work in robotics engineering? In this edition of the software engineering Substack “The Pragmatic Engineer,” the cofounder of an early-stage startup called Nyro Humanoids shares his perspective on the most useful skills for engineers joining the field. Read more here. Profile: The Engineer Who Secured Nigeria’s Democracy Steve Adeshina helped transform Nigeria’s voting system by integrating technology to improve election integrity and reach remote polling units. But Adeshina’s career has also spanned the private sector and academia, demonstrating the power of keeping an open mind when facing career surprises. Read more here.
01.08.2025 18:14 — 👍 0    🔁 0    💬 0    📌 0
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Video Friday: Dance With CHILD Video Friday is your weekly selection of awesome robotics videos, collected by your friends at _IEEE Spectrum_ robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion. ##### RO-MAN 2025: 25–29 August 2025, EINDHOVEN, NETHERLANDS ##### CLAWAR 2025: 5–7 September 2025, SHENZHEN, CHINA ##### ACTUATE 2025: 23–24 September 2025, SAN FRANCISCO ##### CoRL 2025: 27–30 September 2025, SEOUL ##### IEEE Humanoids: 30 September–2 October 2025, SEOUL ##### World Robot Summit: 10–12 October 2025, OSAKA, JAPAN ##### IROS 2025: 19–25 October 2025, HANGZHOU, CHINA Enjoy today’s videos! > _Many parents naturally teach motions to their child while using a baby carrier. In this setting, the parent’s range of motion fully encompasses the child’s, making it intuitive to scale down motions in a puppeteering manner. This inspired UIUC KIMLAB to build CHILD: Controller for Humanoid Imitation and Live Demonstration._ > _The role ofteleoperation has grown increasingly important with the rising interest in collecting physical data in the era of Physical/Embodied AI. We demonstrate the capabilities of CHILD through loco-manipulation and full-body control experiments using the Unitree G1 and other PAPRAS dual-arm systems. To promote accessibility and reproducibility, we open-source the hardware design._ [KIMLAB ] This costs less than US $6,000. [Unitree ] If I wasn’t sold on one of these little Reachy Minis before. I definitely am now. [Pollen ] > _In this study, we propose a falconry-like interaction system in which aflapping-wing drone performs autonomous palm-landing motion on a human hand. To achieve a safe approach toward humans, our motion planning method considers both physical and psychological factors._ I should point out that palm landings are not falconry-like at all, and that if you’re doing falconry right, the bird should be landing on your wrist instead. I have other hobbies besides robots, you know! [Paper ] I’m not sure that augmented reality is good for all that much, but I do like this use case of interactive robot help. [MRHaD ] Thanks, Masato! > _LimX Dynamics officially launched its general-purpose full-size humanoid robot LimX Oli. It’s currently available only in Mainland China. A global version is coming soon._ > _Standing at 165 cm and equipped with 31 active degrees of freedom (excluding end-effectors), LimX Oli adopts a general-purpose humanoid configuration with modular hardware-software architecture and is supported by a development tool chain. It is built to advance embodied AI development from algorithm research to real-world deployment._ [LimX Dynamics ] Thanks, Jinyan! > _Meet Treadward – the newest robot from HEBI Robotics, purpose-built for rugged terrain, inspection missions, and real-world fieldwork. Treadward combines high mobility with extreme durability, making it ideal for challenging environments like waterlogged infrastructure, disaster zones, and construction sites. With a compact footprint and treaded base, it can climb over debris, traverse uneven ground, and carry substantial payloads._ [HEBI ] > _PNDbotics made a stunning debut at the 2025 World Artificial Intelligence Conference (WAIC) with the first-ever joint appearance of its full-sized humanoid robot Adam and its intelligent data-collection counterpart Adam-U._ [PNDbotics ] > _This paper presents the design, development, and validation of a fully autonomous dual-arm aerial robot capable of mapping, localizing, planning, and grasping parcels in an intra-logistics scenario. The aerial robot is intended to operate in a scenario comprising several supply points, delivery points, parcels with tags, and obstacles, generating the mission plan from voice the commands given by the user._ [GRVC ] > _We left the room. They took over. No humans. No instructions. Just robots...moving, coordinating, showing off. It almost felt like…they were staging something._ [AgileX ] > _TRI’s internship program offers a unique opportunity to work closely with our researchers on technologies to improve the quality of life for individuals and society. Here’s a glimpse into that experience from some of our 2025 interns!_ [TRI ] > _In the third installment of our Moonshot Podcast Deep Dive video interview series, X’s Captain of Moonshots Astro Teller sits down with Dr. Catie Cuan, robot choreographer and former artist in residence at Everyday Robots, for a conversation about how dance can be used to build beautiful and useful robots that people want to be around._ [Moonshot Podcast ]
01.08.2025 17:00 — 👍 0    🔁 0    💬 0    📌 0
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A Cold War Kit for Surviving a Nuclear Attack On 29 August 1949, the Soviet Union successfully tested its first nuclear weapon. Over the next year and a half, U.S. President Harry S. Truman resurrected the Office of Civilian Defense (which had been abolished at the end of World War II) and signed into law the Federal Civil Defense Act of 1950, which mobilized government agencies to plan for the aftermath of a global nuclear war. With the Cold War underway, that act kicked off a decades-long effort to ensure that at least some Americans survived nuclear armageddon. As the largest civilian federal agency with a presence throughout the country, the U.S. Post Office Department was in a unique position to monitor local radiation levels and shelter residents. By the end of 1964, approximately 1,500 postal buildings had been designated as fallout shelters, providing space and emergency supplies for 1.3 million people. Occupants were expected to remain in the shelters until the radioactivity outside was deemed safe. By 1968, about 6,000 postal employees had been trained to use radiological equipment, such as the CD V-700 pictured at top, to monitor beta and gamma radiation. And a group of postal employees organized a volunteer ham radio network to help with communications should the regular networks go down. ## What was civil defense in the Cold War? The basic premise of civil defense was that many people would die immediately in cities directly targeted by nuclear attacks. (Check out Alex Wellerstein’s interactive Nukemap for an estimate of casualties and impact should your hometown—or any location of your choosing—be hit.) It was the residents of other cities, suburbs, and rural communities outside the blast area that would most benefit from civil defense preparations. With enough warning, they could shelter in a shielded site and wait for the worst of the fallout to decay. Anywhere from a day or two to a few weeks after the attack, they could emerge and aid any survivors in the harder-hit areas. In 1957, a committee of the Office of Defense Mobilization drafted the report __Deterrence and Survival in the Nuclear Age__ __,__ for President Dwight D. Eisenhower. Better known as the Gaither Report, it called for the creation of a nationwide network of fallout shelters to protect civilians. Government publications such as __The Family Fallout Shelter__ __ encouraged Americans who had the space, the resources, and the will to construct shelters for their homes. City dwellers in apartment buildings warranted only half a page in the booklet, with the suggestion to head to the basement and cooperate with other residents. This model fallout shelter from 1960 was designed for four to six people. Bettmann/Getty Images Ultimately, very few homeowners actually built a fallout shelter. But Rod Serling, creator of the television series “The Twilight Zone,” saw an opportunity for pointed social commentary. Aired in the fall of 1961, the episode “The Shelter” showed how quickly civilization (epitomized by a suburban middle-class family and their friends) broke down over decisions about who would be saved and who would not. Meanwhile, President John F. Kennedy had started to shift the national strategy from individual shelters to community shelters. At his instruction, the U.S. Army Corps of Engineers began surveying existing buildings suitable for public shelters. Post offices, especially ones with basements capable of housing at least 50 people, were a natural fit. Each postmaster general was designated as the local shelter manager and granted complete authority to operate the shelter, including determining who would be admitted or excluded. The __Handbook for Fallout Shelter Management__ gave guidance for everything from sleeping arrangements to sanitation standards. Shelters were stocked with food and water, medicine, and, of course, radiological survey instruments. ## What to do in case of a nuclear attack These community fallout shelters were issued a standard kit for radiation detection. The kit came in a cardboard box that contained two radiation monitors, the CD V-700 (a Geiger counter, pictured at top) and the CD V-715 (a simple ion chamber survey meter); two cigar-size CD V-742 dosimeters, to measure a person’s total exposure while wearing the device; and a charger for the dosimeters. Also included was the __Handbook for Radiological Monitors__, which provided instructions on how to use the equipment and report the results. Post office fallout shelters were issued standard kits for measuring radioactivity after a nuclear attack.National Postal Museum/Smithsonian Institution The shelter radiation kit included two radiation monitors, two cigar-size dosimeters, and a charger for the dosimeters. Photoquest/Getty Images In the event of an attack, the operator would take readings with the CD V-715 at selected locations in the shelter. Then, within three minutes of finishing the indoor measurements, he would go outside and take a reading at least 25 feet (7.6 meters) from the building. If the radiation level outside was high, there were procedures for decontamination upon returning to the shelter. The “protection factor” of the shelter was calculated by dividing the outside reading by the inside reading. (Today the Federal Emergency Management Agency, FEMA, recommends a PF of at least 40 for a fallout shelter.) Operators were directed to retake the measurements and recalculate the protective factor at least once every 24 hours, or more frequently if the radiation levels changed rapidly. The CD V-700 was intended for detecting beta and gamma radiation during cleanup and decontamination operations, and also for detecting any radioactive contamination of food, water, and personnel. RELATED: DIY Gamma-Ray Spectroscopy With a Raspberry Pi Pico Each station would report their dose rates to a regional control center, so that the civil defense organization could determine when people could leave their shelter, where they could go, what routes to take, and what facilities needed decontamination. But if you’ve lived through a natural or manmade disaster, you’ll know that in the immediate aftermath, communications don’t always work so well. Indeed, the __Handbook for Radiological Monitors__ acknowledged that a nuclear attack might disrupt communications. Luckily, the U.S. Post Office Department had a backup plan. In May 1958, Postmaster General Arthur E. Summerfield made an appeal to all postal employees who happened to be licensed amateur radio operators, to form an informal network that would provide emergency communications in the event of the collapse of telephone and telegraph networks and commercial broadcasting. The result was Post Office Net (PON), a voluntary group of ham radio operators; by 1962, about 1,500 postal employees in 43 states had signed on. That year, PON was opened up to nonemployees who had the necessary license. RELATED: The Uncertain Future of Ham Radio Although PON was never activated due to a nuclear threat, it did transmit messages during other emergencies. For example, in January 1967, after an epic blizzard blanketed Illinois and Michigan with heavy snow, the Michigan PON went into action, setting up liaisons with county weather services and relaying emergency requests, such as rescuing people stranded in vehicles on Interstate 94. A 1954 civil defense fair featured a display of amateur radios. The U.S. Post Office recruited about 1,500 employees to operate a ham radio network in the event that regular communications went down. National Archives The post office retired the network on 30 June 1974 as part of its shift away from civil defense preparedness. (A volunteer civil emergency-response ham radio network still exists, under the auspices of the American Radio Relay League.) And by 1977, laboratory tests indicated that most of the food and medicine stockpiled in post office basements was no longer fit for human consumption. In 1972 the Office of Civil Defense was replaced by the Defense Civil Preparedness Agency, which was eventually folded into FEMA. And with the end of the Cold War, the civil defense program officially ended in 1994, fortunately without ever being needed for a nuclear attack. ## Do we still need civil defense? The idea for this column came to me last fall, when I was doing research at the Linda Hall Library, in Kansas City, Mo., and I kept coming across articles about civil defense in magazines and journals from the 1950s and ’60s. I knew that the Smithsonian’s National Postal Museum, in Washington, D.C., had several civil defense artifacts (including the CD V-700 and a great “In Time of Emergency” public service announcement record album). As a child of the late Cold War, I remember being worried by the prospect of nuclear war. But then the Cold War ended, and so did my fears. I envisioned this month’s column capturing the intriguing history of civil defense and the earnest preparations of the era. That chapter of history, I assumed, was closed. Little did I imagine that by the time I began to write this, the prospect of a nuclear attack, if not an all-out war, would suddenly become much more real. These days, I understand the complexities and nuances of nuclear weapons much better than when I was a child. But I’m just as concerned that a nuclear conflict is imminent. Here’s hoping that history repeats itself, and it does not come to that. __Part of a__ __continuing series__ ____looking at historical artifacts that embrace the boundless potential of technology.__ __An abridged version of this article appears in the August 2025 print issue.__ ### References The November 1951 issue of _Electrical Engineering _summarized a civil defense conference held at the General Electric Co.’s Electronics Park in Syracuse, N.Y., earlier that year. Two hundred eighty federal, state, county, and city officials from across the United States and Canada attended, which got me thinking about the topic. Many of the government’s civil defense handbooks are available through the Internet Archive. The U.S. Postal Bulletins have also been digitized, and the USPS historian’s office wrote a great account, “The Postal Service’s Role in Civil Defense During the Cold War.” Although I’ve highlighted artifacts from the National Postal Museum, the Smithsonian Institution has many other objects across multiple museums. Eric Green has been collecting civil defense material since 1978 and has made much of it available through his virtual Civil Defense Museum. Alex Wellerstein, a historian of nuclear technology at the Stevens Institute of Technology, writes the Substack newsletter Doomsday Machines, where he gives thoughtful commentary on how we think about the end of times, in both fiction and reality. His interactive Nukemap is informative and scary.
01.08.2025 15:00 — 👍 0    🔁 0    💬 0    📌 0
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Growing Through IEEE: Leadership and Learning in Action It’s often said that a single moment can spark a lifelong journey. For me the moment happened in 2011, when I was a graduate student—not in a lab or a classroom but rather in a conference hall in Rome. I was presenting my graduate research on a helix antenna for wideband terrestrial and GPS L2 communications at the European Conference on Antennas and Propagation. EUCAP, organized by the European Association on Antennas and Propagation, is supported by IEEE. Although I attended the conference to receive feedback on my research, I left with something far greater: an introduction to IEEE. At the time, I didn’t know that the organization would redefine my career, expand my worldview, and plant the seeds of a purpose-driven life in engineering. I returned home energized, not only to grow in my field but also within IEEE, so I joined as a graduate student member. Fourteen years later, I now serve as chair of the IEEE Islamabad Section, having walked a journey built on learning, leadership, and the belief that engineering must serve humanity. ## Turning a spark into fuel Upon returning to Pakistan after EUCAP 2011, I realized the immense potential for creating meaningful local impact on the country’s engineers if IEEE’s global energy and resources were effectively harnessed. My background in RF and microwave engineering played a central role in shaping my contributions to IEEE. While working at the National University of Sciences and Technology (NUST) in Islamabad, I identified a pressing local need that could be addressed using IEEE’s support and resources: The country lacked a centralized platform for microwave and RF-related research, collaboration, and training. To fill that gap, in 2016 I formed Pakistan’s first joint chapter of the IEEE Antennas and Propagation, Circuits and Systems, Electromagnetic Compatibility, and Microwave Theory and Techniques societies. The joint chapter offers workshops and technical sessions for academics, students, and young professionals. It also provides opportunities for international collaboration and networking among IEEE members. More than 200 events have been organized, bringing distinguished professors and researchers to Pakistan as speakers. The visits catalyzed IEEE memorandums of understanding that included student exchange programs and cross-border research. More importantly, they exposed hundreds of young Pakistani engineers to world-class knowledge. Faculty and students from all over Pakistan are participating and working at facilities they couldn’t previously access, such as anechoic chambers and electromagnetic compatibility labs that are used in antenna and microwave device testing. Our efforts were recognized in 2019 and 2020 with Best Chapter Awards from the societies that formed the joint chapter. During the early part of the COVID-19 pandemic, the chapter launched a webinar series on YouTube that showed how to use instruments for the characterization of antenna and microwave circuits. Nosherwan Shoaib [middle], Hammad M. Cheema [left], and Muhammad Umar Khan accepted the Best Chapter Award on behalf of the joint chapter of the IEEE Antennas and Propagation, Circuits and Systems, Electromagnetic Compatibility, and Microwave Theory and Techniques societies. Cheema is its vice chair and Khan is its treasurer.Ghulam Rasool ## Supporting IEEE’s mission I have led several IEEE humanitarian projects that have improved lives in some of Pakistan’s most underserved communities. One project that left a lasting impact on me was building homes for families displaced from the 2022 floods in the Sindh province. Pakistan that year experienced the deadliest floods the country had ever seen. An estimated 33 million people were affected, and 20 million are still living in dire conditions. The floods damaged houses, hospitals, and electricity and road infrastructure. With support from the IEEE Humanitarian Technology Board, the IEEE Special Interest Group on Humanitarian Technology, and NUST, IEEE volunteers built 17 homes. They were equipped with solar-powered energy systems that provided electricity for lights, fans, and other basic equipment, ensuring long-term sustainability. IEEE volunteers also provided vocational training to survivors, equipping them with practical skills in basic electronics and solar installation. Their efforts aimed to restore livelihoods, promote self-reliance, and empower people to launch home-based businesses. In 2023 I worked with EPICS in IEEE to develop a virtual reality–based therapy platform aimed at supporting behavioral development in children with autism. A team of undergraduate students developed the platform, which uses a VR headset to simulate behavioral and communication therapy scenarios within the metaverse. The platform is still being tested and validated. Another EPICS in IEEE initiative I led involved designing and deploying a smart fall-detection system for elderly people in assisted-living facilities. The system uses 60-gigahertz radar sensors to monitor posture and alert caregivers in the event of a fall. ## Diversity and inclusion in engineering Promoting diversity and inclusion has been a vital part of my IEEE journey. Thanks to support from the IEEE Women in Circuits and Systems group and the IEEE MTT-S diversity and inclusion ad hoc committee, I have organized initiatives aimed at inspiring women and other underrepresented groups to pursue engineering as a career. I was chosen as a STEM champion this year in the IEEE TryEngineering program. Champions work to do more STEM outreach and connect future engineers with IEEE resources. IEEE has been more than a professional network; it has been my launchpad for leadership, my platform for humanitarian impact, and my community of mentors. I promote STEM education by engaging with preuniversity schools and organizing hands-on activities to spark curiosity and learning. Being a champion has been an enriching experience. My belief in equitable access to education has been the cornerstone of my STEM outreach efforts. I have led more than 30 workshops in collaboration with 20 local nonprofits, benefiting more than 500 orphans and homeless children. The hands-on sessions covered radar, robotics, wireless communication, and other topics. Together with a team of IEEE student volunteers, we also trained teachers to replicate the activities in schools. Through my work, I have had the opportunity to instill core ethical values in students living in underserved communities. This role has allowed me to advocate for both technical excellence and moral responsibility—two pillars I believe are essential for building a better future through engineering. ## Collaboration is key A major turning point in my volunteer journey came in 2022 through the IEEE Member and Geographic Activities Volunteer Leadership Training program. The VoLT program is designed to deepen volunteers’ understanding of IEEE’s structure, products, services, and available resources. It also helps participants appreciate their role within local units and the broader organization while preparing them for leadership roles. VoLT participants complete a team project, in which they identify a problem, a need, an opportunity, or an area of improvement within their local organizational unit or the global IEEE. Then they develop a business plan to address the concern. For me, the program provided clarity, confidence, and community. My team project—an AI-based vestibule for IEEE—was ranked second among the submissions. The program was more than just a training exercise; it was a catalyst for my growth as a structured, strategic, and succession-focused leader. One of my most recent leadership opportunities was chairing the Towards IEEE Pakistan Council mini-conference in May. The event brought together executive committee members from IEEE sections and subsections across Pakistan to explore the formation of a national IEEE council to unify efforts with global IEEE practices. I also spearheaded the establishment of the IEEE Islamabad Section life member affinity group and the IEEE Communications Society professional chapter. I believe the active involvement of senior members is essential—not only for their mentorship and wisdom but also to help the section reach new heights of excellence. I strongly believe in cross-institutional collaboration—which is why the IEEE Islamabad Section is actively partnering with organizations including the Pakistan Aerospace Council, the Institution of Engineering and Technology, and the Institution of Mechanical Engineers to amplify our impact on the engineering and scientific community. The partnerships will enable joint technical seminars and training workshops that broaden our outreach and strengthen our contributions. Through international conferences, seminars, joint workshops, and collaborative projects, the IEEE Islamabad Section has engaged with leading electronics companies Rohde and Schwarz of Munich and Keysight Technologies of Everett, Wash., to promote innovation, skills development, and applied research. The collaborations enhance students’ professional readiness and enable industry partners to connect with emerging academic talent and cutting-edge ideas. ## A leadership launchpad What started as a student membership has grown into a purpose-filled career-long journey. IEEE has been more than a professional network; it has been my launchpad for leadership, my platform for humanitarian impact, and my community of mentors. Every conference I organized, every child I taught, every family I supported, and every volunteer I mentored are chapters of my story, which IEEE helped write. To all young engineers, students, and professionals reading this: IEEE is what you make of it. It can be merely a line on your CV, or it can be a compass that guides your career and character. When you align technical skill with empathy and pair leadership with service, you not only grow, you uplift others as well. I invite you to join, volunteer, and lead. Somewhere, someone is waiting for a solution only you can create—and IEEE can help you deliver it. My journey has never been mine alone. It has been a collective effort powered by an extraordinary community. I look forward to continuing the mission together, as we strive to make IEEE not just a professional home but also a platform for lasting impact.
31.07.2025 18:00 — 👍 0    🔁 0    💬 0    📌 0
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Move Too Fast, Risk Systemic Blowback One of the most sobering insights from Contributing Editor Robert N. Charette’s feature story in this issue is that the 20-year rollout of electronic health records (EHRs) in the United States happened with an intentional disregard for interoperability. As a result, thousands of health care providers are “burdened with costly, poorly designed, and insecure EHR systems that have exacerbated clinician burnout, led to hundreds of millions of records lost in data breaches, and created new sources of medical errors,” Charette writes. The U.S. government made this myopic decision in order to speed up EHR adoption, ignoring the longer-term costs. The operating mantra, says Charette, was that EHR systems “needed to become operational before they could become interoperable.” You could call what happened next “unintended consequences,” but that would absolve decision-makers in government and industry for making choices they knew could compromise user experience, security, and patient outcomes. The results were entirely foreseeable. A more appropriate term might be “systemic blowback”—large-scale negative outcomes that result from decisions to accelerate the adoption of new technology without consideration for the broader potential impacts. Once you see systemic blowback in one technological context, you start to see it in others. Case in point: the global deployment of artificial intelligence. ## AI’s Impact on White-Collar Jobs In May, Dario Amodei, CEO of Anthropic, maker of Claude AI, told Axios that AI could wipe out half of all entry-level white-collar jobs—and spike unemployment to 10 to 20 percent in the next one to five years. (U.S. unemployment was about 4 percent in June.) “We, as the producers of this technology, have a duty and an obligation to be honest about what is coming,” Amodei said. “I don’t think this is on people’s radar.” But Amodei’s acknowledgment of the potential harms of mass AI adoption comes off as just virtue signaling. Big AI, Amodei surmises, will continue to develop this technology so we can cure cancer, grow the economy 10 percent annually, and even balance the federal budget. And by the way, up to one in five people will soon be unemployed. That last part—the harm—is someone else’s problem to solve. Computer programmers are feeling the harm right now. According to __The Washington Post__ , more than a quarter of all coding jobs have vanished in the last two years, with much of that loss attributable to AI usage. As __Spectrum__ reported last month, LLMs are improving at an exponential rate, which doesn’t augur well for the rest of the human workforce. “Systemic blowback”—large-scale negative outcomes that result from decisions to accelerate the adoption of new technology without consideration for the broader potential impacts. That includes people working in media. Ever since Google emerged as the home page of the Web in the early 2000s, media outlets operated under the assumption that Google would reliably crawl their sites and send audience their way. Google blew up that deal when it introduced AI answers to its entire user base earlier this year. Since then, __Spectrum__ has had about double the impressions—the times __Spectrum__ content shows up on the search results page or, increasingly, in an AI answer—and about 40 percent fewer click-throughs from people coming to our website to read the cited article. As Web traffic dies, so do the business models predicated on that traffic. Oh well, says Big AI, someone else’s problem. But killing off the current information ecosystem means that AIs will increasingly ingest new content written by other AIs, because the humans who produced the content are gone or will be soon. Garbage in, garbage out. This time next year, don’t be surprised when your shiny, new AI agent gives you a morning briefing that’s just off. Then Big AI’s problem will be your problem. Sooner or later you too will feel the systemic blowback.
31.07.2025 16:00 — 👍 0    🔁 0    💬 0    📌 0
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The Stratosphere Will Be Telecom’s Next Frontier With more than 8,000 Starlink satellites in the sky today, low Earth orbit may seem like the place to be to connect the next generation of Internet and cellphone customers. However, some players are placing their bets slightly closer to the ground. Starting next year, Tokyo’s SoftBank Corp. will be beaming a prototype 4G and 5G phone and broadband service from the stratosphere to Japanese end users. Floating 20 kilometers above the Earth, the company’s airship-based mast will be using energy-regeneration tech and newly allocated spectrum. And the tech could ultimately pose a real, competitive threat to satellite-based platforms like Starlink. The Japanese telecom giant announced last month it had secured exclusive rights to deploy stratospheric, lighter-than-air craft over Japan. SoftBank’s precommercial airship “tower” delivering 4G and 5G cellphone service, the company said, will be coming in 2026. The solar-powered airship, developed by the Moriarty, N.M.–based Sceye, has already completed more than 20 successful test flights. In the same press announcement, SoftBank also described its plans to also use heavier-than-air, fixed-wing uncrewed aerial vehicles that the Japanese company has developed. ### A Technical Blueprint for the Stratosphere Unlike the SoftBank system’s fixed-wing signal repeaters, Sceye’s airship will be an autonomously piloted cell tower operating below outer space but still above the weather. The airship will carry the same type of base station used in terrestrial cell towers (called 4G eNodeB/5G gNodeB), which will comply with global broadband standards, as overseen by the Third Generation Partnership Project, or 3GPP. “The mobile phone doesn’t know the difference between our platform and a tower,” says Mikkel Vestergaard Frandsen, Sceye’s CEO. “We just plug into existing infrastructure and operate under the same 3GPP protocol.” Sceye’s airship uses advanced antenna systems that enable precision steering of the signal. Also known as beamforming, this 5G tech helps a network cover wide areas or, conversely, focus bandwidth down to a tighter cone, depending on demand. The company reports that its system’s latency is below 20 milliseconds. That would put it ahead of Starlink, which delivers today a network latency of 45 ms, according to a recent survey. “This is not a relay system. We are the base station, able to respond to network demand from the stratosphere,” says Frandsen. With a payload capacity of 250 kilograms and 10 kilowatts of onboard solar power capacity, the airship can power its telecom suite but also station-keep—something that neither balloons (which drift with the wind) nor fixed-wing UAVs (constrained by limited payload and power) can achieve. Which is why Sceye’s advances in materials have been crucial for high-altitude endurance flights. According to the company, the fabric comprising the airship’s hull is five times as strong per unit mass as conventional high-altitude platform system (HAPS) materials. Sceye’s material is also 1,500 times more gas-tight, as well as being more resistant to both UV and ozone damage. “There’s a lot of overlap between extreme sports like the America’s Cup or Formula One and our work on HAPS,” said Frandsen, who recruited engineers from both sectors. “It’s all about pushing materials to the limit, safely.” But even using such a supermaterial for the airship’s skin, staying aloft at an altitude of 20 kilometers demands further innovations toward greater efficiency. “On this kind of machine, about 30 percent of the weight goes to the structure, and another 30 percent to the energy system,” says Vincenzo Rosario Baraniello, Head of the Earth Observation Systems Unit at the Italian Aerospace Research Centre (CIRA). “Improving those technologies gives a competitive advantage”. Sceye’s silvery dirigibles are built for endurance, capable of pointing into the wind, and remaining in their area of operation for months at a time. Ultralightweight and flexible solar skins and high-density battery packs keep the equipment running overnight. While the system’s temperature- and UV-shielded payload compartment can withstand extreme stratospheric conditions. The airship can reach altitude in less than 30 minutes, with a single craft able to replace up to 25 ground towers. ### Building on New Spectrum The time has come, says Nikolai Vassiliev, chief of the Terrestrial Services Department at the International Telecommunication Union, for stratospheric systems like Sceye’s and SoftBank’s prototype network. “We have established power limits, coordination rules, and harmonized bands,” Vassiliev says. “Now it’s up to operators to deploy.” Until recently, high-altitude platforms like Sceye’s and SoftBank’s airship relied primarily on millimeter-wave spectrum, including bandwidth between 47- and 48-gigahertz frequencies. Millimeter waves, though, have limited range and are notoriously vulnerable to rain and other inclement weather. Which is why, in part, the World Radiocommunication Conference in 2023 opened up a number of microwave bands between 700 megahertz and 2.6 GHz for HAPS. These lower-frequency bands effectively opened the way for direct-to-device connections from stratospheric airships and other high-altitude platforms. “The availability of harmonized, low-band spectrum for direct-to-device HAPS has fundamentally changed the business case,” said Toshiharu Sumiyoshi of SoftBank’s Ubiquitous Network Planning Division. “We can now deliver service with commercially available handsets.” Unlike earlier high-altitude platforms that acted like signal relays, Sceye’s high-altitude towers will ultimately allow users to cross coverage zones without losing service, thanks to handovers between ground and aerial nodes. And that could look and feel to the end user much like everyday terrestrial 4G and 5G coverage. SoftBank is still weighing how best to deploy Sceye’s stratospheric platforms, whether as always-on infrastructure or as on-demand responders during emergencies and other periods of anticipated high demand. “Our current plan aims for one aircraft to stay in the air for one year,” says Sumiyoshi. “But both scenarios, continuous flight or launch in response to a disaster, are conceivable. And operational details will be finalized after precommercial testing in 2026, taking cost-effectiveness and multiuse options like remote sensing into account.” Baraniello says whatever form the deployment ultimately takes, it marks an important step forward. “The partnership between Sceye and SoftBank is significant,” he says. “It shows that these platforms have reached a level of technological maturity that allows them to be deployed operationally. From an aerospace-engineering standpoint, that’s a big deal, and the market’s interest will further push research, industry, and development forward.”
31.07.2025 13:00 — 👍 0    🔁 0    💬 0    📌 0
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Learning Analog System Design With the MOSbius When it comes to learning digital system design, hobbyists and students have a lot of options, whether it’s tinkering with field-programmable gate arrays or working up chip submission for a Tiny Tapeout run. But similar tools for analog design have been harder to come by. Certainly you can create analog circuits in a simulator like LTspice and test them against theory. But nothing beats building real analog circuits and measuring their actual, not theoretical, behavior. Measurement is complicated for analog designs because the test equipment can affect the very measurement being made. To address this educational gap, a team led by me at Columbia University’s department of electrical engineering created MOSbius, a breadboard-friendly chip that you can think of as a field-programmable __transistor__ array for analog designs. **RELATED:**Build Your Own Giant 555 Timer Chip As its name suggests, MOSbius is built around metal-oxide-semiconductor transistors, divided between __n__ -type and __p__ -type transistors. As these are the building blocks of most analog integrated circuits today, designing with the MOSbius provides experience that’s directly relevant to creating real chips. The MOSbius has 68 pins, of which 63 connect to either individual transistors or common analog subcircuits such as current mirrors and op-amp stages. Two other pins are used for positive and negative supply voltages. The MOSbius chip [top left] contains all the transistors required for many analog systems. Mounted on a breadboard via a printed circuit board [middle], discrete resistors and capacitors [bottom] are wired up to provide other needed components. A Raspberry Pi Pico [bottom right] is used to program the MOSbius.James Provost The remaining three pins are used for programming a built-in switch matrix. You __can__ create circuits with the MOSbius by connecting the pins with external wires. But it’s easier to use the switch matrix. This can connect any of the 65 transistor, subcircuit, and voltage pins to one or more of 10 internal buses. The matrix is programmed by clocking in a simple stream of 650 bits—one bit for each possible connection between a bus and a pin. We program the MOSbius’s matrix using a Raspberry Pi Pico running a Python script that turns a simple JSON text file into the desired bitstream. If you want, though, you can use pretty much any 3.3-volt microcontroller that supports Python. ### The MOSbius runs at 2.5 V. The printed circuit board used to connect the pins to a solderless 830-contact breadboard shifts the Pico’s 3.3 V down when programming the matrix. The PCB also includes bias and over-voltage-protection circuits. ## How are integrated circuit components different from discrete components? As the MOSbius contains only transistors, circuit elements like resistors and capacitors are wired up externally as through-hole components inserted into the breadboard. You might think that using these external components would create an imprecise approximation of the behavior of a real analog IC, which has on-chip resistors and capacitors built out of silicon rather than, say, a metal film or ceramic material. But at signal speeds below about a megahertz, the actual issue is that these external components are __overly__ precise. (Above 1 MHz, things like the stray capacitance of the breadboard begin to become an issue.) Even a cheap through-hole resistor will have an actual resistance that’s within 5 to 10 percent of the value it claims to be, and through-hole resistors with 1 percent accuracy are common. By contrast, integrated components can easily vary by 30 percent from their nominal value. Consequently, real analog circuits have to be built with a considerable amount of internal margin. Developing the skill to do this relies on understanding what’s going on at different points within the circuit, as input signals and component values vary. And that requires making real-world measurements. The “aha” moment of seeing your circuit come to life will stay long after the equations are forgotten. In a simulated circuit, you can click on any node and read out any parameter without affecting the circuit’s behavior in any way. With the MOSbius, you can similarly access nearly every node in a circuit, but now you face the reality that wiring up test probes to make a measurement can change the circuit’s behavior. Figuring out the most elegant way to make measurements is key for anyone hoping to see their ideas committed to silicon. The “aha” moment of seeing your circuit come to life will stay long after the equations and analysis are forgotten MOSbius’s ability to let folks poke around inside the guts of an integrated circuit design takes inspiration from the Three Fives Discrete Timer Kit, which uses discrete components to re-create the workings of one of the most popular integrated circuits of all time, the 555. You can of course use the MOSbius to re-create a 555, as well as many other demonstration circuits, starting with the “Hello world!” of hardware, a blinking LED. Metal-oxide transistors and commonly used subcircuits are connected to most of the pins of the MOSbius chip. They can also be wired together internally using a set of buses programmed using a 650-bit stream from a microcontroller. James Provost The origin of the MOSbius was serendipitous: While preparing a set of students’ IC projects to be fabricated, we realized we had room to squeeze one more chip into the batch if we could meet the shipping deadline. Six weeks later, the MOSbius was off to production! From this limited run—150 chips in total—we are making MOSbius kits available at a nominal price of US $150 (subject to change and just to recover our costs) to other educators interested in bringing it to their labs. We are also working on a revised version. The MOSbius can be used to make circuits that range in complexity from those suitable for undergraduates to graduate-level projects. The Web site has a complete set of tutorials and a lab experiments manual ready to go. If you’re interested in obtaining a kit, you can contact me through the site. I realize we have only a small number of kits available—we are after all a university department, not a semiconductor manufacturer—but we want to make the MOSbius more broadly available to both educators and enthusiasts in the future. The best way to make that happen is to contact me, because strong demand is something we can present to a commercial partner!
30.07.2025 14:00 — 👍 0    🔁 0    💬 0    📌 0
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How to Accelerate Large Antenna Array Simulations In advanced electromagnetic (EM) design, speed and accuracy are critical – especially for large antenna arrays and complex scattering problems. But traditional simulation methods often require costly, repetitive computations just to evaluate radiation patterns across different scenarios. Our latest whitepaper, _Efficient Simulation of Radiation Pattern Diagrams for Complex Electromagnetic Problems_ , introduces two breakthrough techniques that slash simulation time without sacrificing precision: * **“One Element at a Time”** – Simulate once, generate any beam pattern instantly. * **Matrix-Based Acceleration** – Faster far-field calculations for large datasets. Download this free whitepaper now!
29.07.2025 14:47 — 👍 0    🔁 0    💬 0    📌 0
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Over-the-Air Lasers Aim to Solve the Internet’s “Middle Mile” Twenty years ago, Web-savvy folks were focused on solving the Internet’s “last-mile” problem. Today, by contrast, one of the biggest bottlenecks to expanding Internet access is rather around a “middle-mile” problem—crossing cities and tough terrain, not just driveways and country roads. Taara, a spin-off of X (formerly Google X), is promoting a simple alternative to fiber-optic cables: Free-space optical lasers. Using over-the-air infrared C-band lasers, Taara is rolling out tech that the company says reliably delivers 20-gigabit-per-second bandwidth across distances up to 20 kilometers. However, what happens to open-air laser signals on a rainy or foggy day? What about a flock of birds or stray tree branch blocking a tower’s signal? Plus, C-band communications tech is decades old. So why haven’t other innovators tried Taara’s approach before? _IEEE Spectrum_ spoke with Taara’s CEO Mahesh Krishnaswamy about the company’s X pedigree (and its Google Fiber and Google Project Loon alumni) as well as upcoming new technologies, set to roll out in 2026, that’ll expand Taara towers’ bandwidth and range. Plus, the fledgling company’s wagering its industry footprint might get a tiny boost too. **What does Taara do, and what problem or problems is the company working to solve?** Mahesh Krishnaswamy, CEO of Taara, says the Internet’s “middle-mile” problem presents an outsize opportunity. Taara ** __Mahesh Krishnaswamy:** Taara is a project that incubated over the last seven years at Google/Alphabet] X Development, and we [recently graduated. We’re now an independent company. It is a technology that uses eye-safe lasers to connect between two line-of-sight points, using beams of light, without having to dig trench fiber. The problem we are really solving is that of global connectivity. Today, as we speak, close to 3 billion people are still not on the Internet. And even the 5 billion that are connected are running into challenges associated with speed, affordability, or reliability. It’s really a global problem that affects not just millions but billions of people. **So Taara is addressing the digital divide problem?** **Krishnaswamy:** Some of the ways our customers and partners have deployed Taara's tech] is they use it for redundancy or to cross difficult terrain. A river, a railroad crossing, a mountain, anywhere the land is difficult to dig and traverse through, we are able to reach. One example is the Congo River, which is the world’s deepest river and one of the fastest flowing rivers. It separates Brazzaville in the Republic of the Congo] and [Kinshasa [in the [Democratic Republic of the Congo]. Two separate countries on either side. But they’ve not been able to run fiber optic cables underneath the river. Because the Congo River is very fast-flowing. And so the only alternative is to go about 400 km, to where they’re able to safely navigate it. But we were able to connect these two countries very easily, and as a result, bring bandwidth parity. One side had five times higher bandwidth cost than the other side. ### The Road to New Free Space Optical Internet Tech **What is Taara doing today that couldn’t have been done 5 or 10 years ago?** **Krishnaswamy:** We’ve been slowly but steadily building up the improvements to this technology. This started with improvements in the optics, electronics, software algorithms, as well as pointing and tracking. We have enough margin to tackle most of the challenges that typically were limiting this technology up until recently, and we are one of the world’s largest manufacturers of terrestrial, free-space optics. We are live right now in more than 12 countries around the world—and growing every day. **What is your company’s main technological product?** **Krishnaswamy:** Today, the technology that we have is called Taara Lightbridge. This is our first-generation product, which is capable of doing 20 Gbps, bidirectionally, at up to 20 km distance. It’s roughly the size of a traffic light and weighs about 13 kilograms. Taara’s traffic-light-size Lightbridge terminal serves as the hub for the company’s free-space Internet tech—with fingernail-size components being promised for 2026. Taara But we are now about to embark on a significant sea change in our technology. We are going to take some of the core photonics and electronics components and shrink it down to the size of my fingernail. And it will be able to point, track, send, and receive light at tens of gigabits per second. We have this Taara chip in a prototype form, which is already communicating indoors at 60 meters as well as outdoors at 1 km. That is a big reveal, and this is going to be the platform by which we’re going to be building future generations of products. **When will you be launching that?** **Krishnaswamy** : It’ll be the end of 2026. ### The Internet’s Middle-Mile and Last-Mile Problems **How does all of this relate to the tech being “middle mile” rather than what used to be called “last mile”? How much distinction is there between the two?** **Krishnaswamy:** If you were to follow the path of data all the way from a subsea fiber, where you have Internet landing points, there’s this very vast capacity fiber that’s bringing it all the way from the edge of the coast into some main city. That’s a longhaul fiber. These are the national backbones, usually laid by the countries. But once you bring it to the town, then the operators, the data centers, start to take it and distribute the bandwidth from there. They start down what we call the middle mile. That’s anywhere from a few kilometers to 20 kilometers of fiber. Now in some cases they will be passing very close to a home. In some cases, they’re a little bit further out. That’s the last mile. Which is not necessarily a mile. In some cases, it’s as short as 50 meters. **Does Taara cover the whole length of the middle mile?** **Krishnaswamy:** Today Taara operates where we are able to bridge connections from a few kilometers to up to 20 km. That’s the middle mile that we operate in. And almost 50 percent of the world today is within 25 km of a fiber point of presence. So it’s very much accessible for us to reach most of those communities. Now the next generation technology that I’m talking about, the photonics chip, will allow us to go even shorter distances and will allow us to close the gap on the last mile as well. So today we are mostly operating in the middle mile, and in some cases we can connect the last mile. But with the next-generation chip, we’ll be operating both in the middle mile as well as the last mile. **What about the X background? Do you have people from Project Loon or from Google Fiber now working at Taara?** **Krishnaswamy:** Yes. I was personally working on Project Loon, and I was leading up the manufacturing, the supply chain, and some of the operational aspects of it. But my passion was always to solve the connectivity problem. And at X we always say, fall in love with the problem, not the solution per se. **So you started using Project Loon’s open-air signaling tech that connects one Internet balloon to another, but you just did it between fixed stations on the ground?** **Krishnaswamy:** Yes, the idea was very simple. What if we were to bring the technology connecting balloons in the stratosphere down to the ground, and start connecting people quickly? It was a quick and dirty way of getting started on connecting and closing out the digital gap. And little did I know that across the street, Google Access was also working on similar technology to cross freeways. So I pulled together a team from Google Access and then from Project Loon. And today the Taara team includes people from various parts of Google who worked on this technology and other connectivity projects. So it’s a team that is really passionate about connectivity globally. ### The Challenges Ahead for Free-Space Optical Tech **OK, so what about foggy days? What about rain and snow? How does Taara technology send over-the-air infrared data traffic through inclement weather?** **Krishnaswamy:** Our biggest challenge is weather, particularly particulates in weather that disperse light. Fog is our biggest nemesis. And we try to avoid deploying in foggy areas. So we built a planning tool that allows us to actually predict the anticipated availability. As long as it’s light rain, and it doesn’t disperse [optical signals], then it’s fine. A simple rule of thumb is if you can see the other side, then you should be able to close the link. We’re also exploring some smart rerouting algorithms, using mesh. Ultimately, we are subject to some environmental degradations. And it’s really how you overcome that is what we’ve been focusing on. **Why 20 km? Is Taara trying to extend that to greater distances today?** **Krishnaswamy:** The honest truth is it started out with one of our first customers in rural India who said, “I have many of these access points which are up to 20 km away.” And as we started to dig deeper, we realized we can connect a vast majority of the unconnected places within 20 km of a fiber point of presence. So that ended up becoming our initial specification. **How about pointing? If you’re beaming a laser out over 20 km, that’s a tiny target to aim at.** **Krishnaswamy:** When we deployed first in India, we ran into a lot of monkeys that we had to deal with who are territorial. There would be like 20 or 30 of these monkeys jumping and shaking the tower, and our link would always oscillate. So we can’t physically drive them away. But we could actually improve our pointing and tracking, which is exactly what we did. So we have gyroscopes and accelerometers built in. We are constantly monitoring the other side. There’s also a camera inside the terminal. So if you are really out of alignment, we can always repoint it again. But basically we have made a significant amount of improvements in our pointing and tracking. That’s one of our secret sauces. **What are the near-term hurdles for the company? Near-term ambitions?** **Krishnaswamy:** I used to work at Apple, so I brought some of the best practices from there as well to make this technology manufacturable. We want physics to be the upper bound of what is capable, and we don’t want any compromises. And the last thing I’ll say is we are really pioneering the light generation. This is a complete relook at how light can be used for communication purposes, which is where we’re starting out. When you have something this small, that could deliver such high speeds at such low latencies, you could put it into robots and into self-driving cars. And it could change the landscape of communications. But if you were to not just use it for communication, it could go into lidar or biomedical devices that scan and sense. You could do a lot more using the underlying technology of phased arrays in a silicon photonics chip. There’s so much more to be done.
29.07.2025 12:00 — 👍 0    🔁 0    💬 0    📌 0
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IEEE President-Elect Candidates On Their No. 1 Strategic Goal The annual IEEE election process begins in August, so be sure to check your mailbox for your ballot. To help you choose the 2026 IEEE president-elect, __The Institute__ is publishing the candidates’ official biographies as well as a statement describing which IEEE Strategic Goal resonates with them the most and why it is particularly meaningful to them. The candidates are IEEE senior members Jill I. Gostin and David Alan Koehler. On 27 June, IEEE President Kathleen Kramer moderated the Meet the 2026 IEEE President-Elect Candidates Forum, where the candidates answered pressing questions from IEEE members. The event is available to watch on demand. A second forum will be held on 4 August at the IEEE Geoscience and Remote Sensing Society’s International Geoscience and Remote Sensing Symposium, in Brisbane, Australia. Registration to attend the livestream is open. ## IEEE Senior Member Jill I. Gostin Nominated by the IEEE Board of Directors Steven Miller Photography Gostin retired earlier this year as a principal research scientist at the Georgia Tech Research Institute, in Atlanta. Her work focused on sensor systems and software. She also served as the systems engineering, integration, and test lead in the software engineering and architecture division. Gostin credits her career success to her publications; service and technical awards; large program management experience; and leadership of academic, industry, and government groups. She has held several IEEE leadership positions including 2023 IEEE Member and Geographic Activities vice president and chair of its board, and 2020—2021 Region 3 director. She is a former chair of the IEEE Atlanta Section and the IEEE Computer Society’s Atlanta Chapter. Gostin served on the IEEE Computer and IEEE Aerospace and Electronic Systems societies’ boards of governors and was the vice president of finance for the Senior Council’s Executive Committee. She has also led or been a member of several IEEE organizational units and committees, locally and globally. Her leadership was recognized in 2016 when the Georgia Women in Technology named her as its Woman of the Year. Gostin also is the recipient of the 2025 IEEE Women in Technology Leadership Award. ## Strategic goal statement Chosen strategic goal: Empower technology professionals in their careers through ongoing education, mentoring, networking, and lifelong engagement. The priorities listed in my position statement align with all six IEEE goals, but that is the one that most resonates with me. It both reflects what members consistently say they value most, and it aligns with my own desire to help others succeed. This objective supports IEEE’s members throughout their careers by helping them connect, grow, and give back to their community. Providing that kind of holistic support has shaped both my professional and IEEE journeys. I have focused on helping people succeed—by connecting them with the right tools and resources, or by creating new ones when none existed. Engagement is personal. What each member needs or values will vary and evolve over time. To stay interesting and relevant, IEEE must offer diverse, flexible ways to engage, and adapt as technologies and member needs change. I will advance this goal by supporting: ● Customized learning pathways for emerging technologies ● Tailored resources based on experience level and geographic location ● Expanded professional development and mentorship programs that enhance careers at all stages ● Multidisciplinary initiatives with local engagement opportunities ● Innovation competitions that inspire creativity and collaboration These efforts empower members as contributors to their organization, society, and the profession. They reignite curiosity, enable growth, and inspire new directions. When IEEE helps members learn and engage in new ways, it strengthens not only their careers, but also the future of technology itself. ## IEEE Senior Member David Alan Koehler Nominated by the IEEE Board of Directors Steven Miller Photography Koehler received his bachelor’s degree in chemistry from Indiana University in Bloomington, and a master’s degree in business from Indiana Wesleyan University, in Marion. He works in the power and energy industry and has almost 30 years of experience in testing insulating liquids and managing analytical laboratories. He has presented numerous technical presentations and published technical articles within the power industry. An active volunteer, he has served in every geographical unit within IEEE. His first leadership position was treasurer of the Central Indiana Section. He served as 2022 vice president of IEEE Member and Geographic Activities (MGA), 2019—2020 director of IEEE Region 4, and 2024 chair of the IEEE Board of Directors Ad Hoc Committee on Leadership Continuity and Efficiency. He served on the IEEE Board of Directors for three terms. He has been a board member of IEEE-USA, Member and Geographic Activities, and Publication Services and Products. Koehler is the recipient of the 2024 IEEE MGA Larry K. Wilson Transnational Award. He is an active member of the IEEE Power & Energy and Dielectrics and Electrical Insulation societies, as well as Women in Engineering. In 2019 he was inducted into IEEE’s honor society, Eta Kappa Nu. ## Strategic goal statement Chosen strategic goal: Empower technology professionals in their careers through ongoing education, mentoring, networking, and lifelong engagement. I chose this IEEE 2025-2030 strategic goal as it is at the core of our mission: Advancing Technology for Humanity. This goal has also proven to be valuable in my career growth. We are living in an era where technology evolves quickly, and it is important that IEEE helps its members, volunteers, and customers stay current on the technology that is of interest to them. In order to achieve career success, individuals need to focus on their professional development. IEEE has programs in place to help those who need to improve their soft and leadership skills. You can be the smartest person on a team, but if you are unable to effectively communicate your ideas, you most likely will not grow within your organization. IEEE also holds incredible conferences and events globally that allow individuals to network and engage with those who have similar technical interests. This helps nurture new ideas and share best practices. When our members and customers develop a strong network, it can open the door to mentoring and job opportunities. Lifelong learning opportunities help to build collaboration and engagement among technologists. Individuals from diverse backgrounds are able to share different ideas and create stronger technical communities. I am a strong believer in preuniversity science, technology, engineering, and math outreach activities so that IEEE members can promote and help develop the next generation of technologists. I plan to devote additional resources to make sure that this happens more on a global scale.
28.07.2025 18:00 — 👍 0    🔁 0    💬 0    📌 0
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What the CHIPS Act Looks Like Now The U.S. CHIPS and Science Act of 2022 aimed to reestablish advanced manufacturing for logic and memory in the United States, as well as boost or establish other chipmaking activities. The job is far from complete, but a look at where the money is expected to go points to a potentially broad geographic boost for the domestic chip industry. That’s assuming it continues. Not long after the law took effect, the federal government began careful negotiations and had in hand proposed deals for more than 30 projects by the end of October 2024. After Donald Trump won the 2024 election, the CHIPS Office went into high gear, converting those proposed deals into awards. It agreed to more than $30 billion in the roughly two months before Trump took office. But things have gotten deathly quiet since then. Proponents of the CHIPS Act shouldn’t panic…yet, says Russell Harrison, managing director of IEEE-USA and an expert on the workings of Washington. New administrations often press pause to examine what they want to keep and change—and to find ways to take credit for successes. In the meantime, Harrison’s team is focused on getting Congress to fund the parts of the act meant to solidify any manufacturing gains—such as the R&D and workforce-development programs.
28.07.2025 13:00 — 👍 0    🔁 0    💬 0    📌 0
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Ferroelectric Helps Break Transistor Limits Integrating an electronic material that exhibits a strange property called negative capacitance can help high-power gallium nitride transistors break through a performance barrier, say scientists in California. Research published in _Science_ suggests that negative capacitance helps sidestep a physical limit that typically enforces trade-offs between how well a transistor performs in the “on” state versus how well it does in the “off” state. The researchers behind the project say this shows that negative capacitance, which has been extensively studied in silicon, may have broader applications than previously appreciated. Electronics based on GaN power 5G base stations and compact power adapters for cellphones. When trying to push the technology to higher frequency and higher power operations, engineers face trade-offs. In GaN devices used to amplify radio signals, called high-electron-mobility transistors (HEMTs), adding an insulating layer called a dielectric prevents them from wasting energy when they’re turned off, but it also suppresses the current flowing through them when they are on, compromising their performance. To maximize energy efficiency and switching speed, HEMTs use a metal component called a Schottky gate, which is set directly on top of a structure made up of layers of GaN and aluminum gallium nitride. When a voltage is applied by the Schottky gate, a 2D electron cloud forms inside the transistor. These electrons are zippy and help the transistor switch rapidly, but they also tend to travel up toward the gate and leak out. To prevent them from escaping, the device can be capped with a dielectric. But this additional layer increases the distance between the gate and the electron cloud. And that distance decreases the ability of the gate to control the transistor, hampering performance. This inverse relationship between the degree of gate control and the thickness of the device is called the Schottky limit. “Getting more current from the device by adding an insulator is extremely valuable. This cannot be achieved in other cases without negative capacitance.” **—Umesh Mishra, University of California, Santa Barbara** In place of a conventional dielectric, Sayeef Salahuddin, Asir Intisar Khan, and Urmita Sikderan, electrical engineers at University of California, Berkeley, collaborated with researchers at Stanford University to test a special coating on GaN devices with Schottky gates. This coating is made up of a hafnium oxide layer frosted with a thin topping of zirconia oxide. The 1.8-nanometer-thick bilayer material is called HZO for short, and it’s engineered to display negative capacitance. HZO is a ferroelectric. That is, it has a crystal structure that allows it to maintain an internal electrical field even when no external voltage is applied. (Conventional dielectrics don’t have this inherent electrical field.) When a voltage is applied to the transistor, HZO’s inherent electric field opposes it. In a transistor, this leads to a counterintuitive effect: A decrease in voltage causes an increase in the charge stored in HZO. This negative capacitance response effectively amplifies the gate control, helping the transistor’s 2D electron cloud accumulate charge and boosting the on-state current. At the same time, the thickness of the HZO dielectric suppresses leakage current when the device is off, saving energy. “When you put another material, the thickness should go up, and the gate control should go down,” Salahuddin says. However, the HZO dielectric seems to break the Schottky limit. “This is not conventionally achievable,” he says. “Getting more current from the device by adding an insulator is extremely valuable,” says Umesh Mishra, a specialist in GaN high-electron-mobility transistors at the University of California, Santa Barbara, who was not involved with the research. “This cannot be achieved in other cases without negative capacitance.” Leakage current is a well-known problem in these kinds of transistors, “so integrating an innovative ferroelectric layer into the gate stack to address this has clear promise,” says Aaron Franklin, an electrical engineer at Duke University, in Durham, N.C. “It certainly is an exciting and creative advancement.” ## Going Further With Negative Capacitance Salahuddin says the team is currently seeking industry collaborations to test the negative capacitance effect in more advanced GaN radio-frequency transistors. “What we see scientifically breaks a barrier,” he says. Now that they can break down the Schottky limit in GaN transistors under lab conditions, he says, they need to test whether it works in the real world. Mishra agrees, noting that the devices described in the paper are relatively large. “It will be great to see this in a device that’s highly scaled,” says Mishra. “That’s where this will really shine.” He says the work is “a great first step.” Salahuddin has been studying negative capacitance in silicon transistors since 2007. And for much of that time, says Mishra, Salahuddin has been subject to intense questioning after every conference presentation. Nearly 20 years later, Salahuddin’s team has made a strong case for the physics of negative capacitance, and the GaN work shows it may help push power electronics and telecom equipment to higher powers in the future, says Mishra. The Berkeley team also hopes to test the effect in transistors made from other kinds of semiconductors including diamond, silicon carbide, and other materials.
28.07.2025 12:00 — 👍 0    🔁 0    💬 0    📌 0
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The Telecommunications Pioneer Who Helped Connect the World Without Seizo Onoe, cellular phone networks would not be the source of global connectivity we know today. The IEEE life member was instrumental in driving the standardization for 3G and 4G mobile networks. The first-generation networks that launched in the late 1970s and early 1980s were largely country-specific, designed for making only domestic or regional calls. There was no way to send text messages or other data over 1G networks. And interference from other radio signals made 1G coverage unreliable; there were plenty of dropped calls. Plus, without encryption, eavesdropping was a persistent problem. ### Seizo Onoe **Employer:** International Telecommunication Union **Title:** Director of the ITU’s Telecommunication Standardization Bureau **Member Grade:** Life member **Alma Mater:** Kyoto University In 1991 2G networks signaled the fledgling industry’s switch to digital—which improved security and broadened the range of features. Basic text messages became possible. Individual countries and carriers had built their own telecommunications infrastructures, however, using different technologies and protocols (although Europe had established a common regional standard). An industry-wide, standardized cellular telecommunications infrastructure was needed. Onoe answered that call, helping to align companies’ and countries’ infrastructures as 3G networks took shape. For his efforts, Onoe has been awarded the IEEE Jagadish Chandra Bose Medal in Wireless Communications. The medal, bestowed for the first time this year, is named for an Indian scientist who pioneered radio and millimeter-wave research. Onoe is currently director of the Telecommunication Standardization Bureau at the International Telecommunication Union. The medal is designed to commemorate contributions to wireless communications technologies with a global impact. “It is the highest honor for me,” Onoe says, “especially as I am the first recipient.” ## Learning early digital mobile radio transmission Onoe grew up in Akashi, in southwestern Japan. He says he was drawn to the “directness” of STEM subjects. He majored in engineering when he enrolled at Kyoto University in 1976. “Of course, my parents also suggested engineering because it was more advantageous for employment,” he says. He earned a bachelor’s degree in 1980 and an engineering master’s degree two years later. As a graduate student, he worked on early digital mobile radio transmission. The primitive equipment on which he cut his teeth—repurposed (1.544 megabits per second) fixed-line hardware donated by industry—sent out mobile radio signals at data rates that would be comparable to those of 3G someday, foreshadowing the digital mobile future. ## The debate behind the 3G standard Japan’s Nippon Telegraph and Telephone in 1979 launched the world’s first 1G network. In 1982 Onoe joined NTT’s Yokosuka Electrical Communication Laboratory, in Yokosuka City. Starting his NTT career as a researcher, he helped develop the control signals necessary for call setup and other controls over an analog network. “At the time, NTT’s mobile services was a very small division,” he recalls. Things really started changing in the early 1990s, he says. In 1992 the company spun off its mobile division, Docomo (do communications over the mobile network). The name was popularly interpreted as a play on the Japanese word __dokomo__ , which means __everywhere__. Onoe was transferred to Docomo in 1992, when the company was founded, and was later promoted to executive engineer and director. NTT reacquired Docomo in 2020. He contributed to 3G development, including work on a rapid cell search algorithm, which proved critical for network performance. The algorithm lets mobile devices quickly identify the nearest base station in a cellular network. And it didn’t rely on other systems, like GPS, to locate the correct cell in a network—making the process easier, faster, and less expensive. His most challenging effort throughout the 1990s, he says, was including emerging digital cellular stakeholders worldwide—including governments, telecom companies, and regulators—to begin envisioning the infrastructure on which a truly global cellular network could be built. That meant developing a single standard. “There were many, many heated debates all around the world,” Onoe says. According to history articles published online by Ericsson, the debates were complex and contentious. They involved entities from inside and outside the industry, including phone manufacturers, mobile service providers, standards boards, and government officials. Europe alone was considering five different telecom infrastructures across the continent’s numerous cellular networks, Onoe says, highlighting the divide around the world. Some companies and countries supported time-division multiple access (TDMA), which would split the available network bandwidth into time slots and assign users specific slots for transmission. Others were pushing a different access technology that is partly competitive with TDMA and partly complementary to it: code-division multiple access (CDMA), which uses unique codes to allow multiple users to share both bandwidth and time. As if that emerging standards landscape weren’t complicated enough, Sony championed yet another technology based on orthogonal frequency division multiple access (OFDMA). In December 1997 the European Telecommunications Standards Institute met in Madrid. At issue would be who controlled the standards for, at the time, the 3G future. And that is when the fur really flew. The Nordic mobile manufacturers Ericsson and Nokia squared off in what were, according to Ericsson’s account at least, “increasingly warlike circumstances.” Britain’s prime minister, Tony Blair, who the above account said “regarded Ericsson as a British company,” took Ericsson’s side in the squabbles. Other ETSI disputes aired at that meeting found their way into lawsuits years later. None of the standards under consideration garnered enough votes to pass. A second vote would be held the following month in Paris—and so the lobbying began anew. At the Paris meeting in January 1998, the ETSI voted on W-CDMA as the dominant standard for the world’s 3G networks. But in the spirit of compromise, the standards body also allocated a limited amount of 3G spectrum to TD-CDMA, a combination of the time-division and code-division methods. Following that, in the final stage of the 3G standardization battle—a debate between wideband CDMA and a similar access technology, CDMA2000—Onoe emerged as a major player to help broker an agreement, as Japan at least hedgingly supported the push for W-CDMA. “I decided to step in and join the war, so to speak,” Onoe says. “Across all these countries and vendors and individuals fighting, it was clear we were going to have to come up with some compromises to finally agree.” Onoe helped lead an operators’ harmonization group to do just that. It proposed changing the chip rate—the frequency at which the smallest units of 3G code are transmitted. With 3G politics addressed, the hard 3G engineering work then began in earnest. “We had to start the development of the commercial system,” Onoe says. “I don’t think I fully appreciated just how challenging that was going to be.” From 1999 until 2001, he says, he worked every day including weekends. “I would start meetings at midnight, summarize the day’s activities, and plan for the next day,” he says. “It’s hard to imagine all these years later, but as a young and excited engineer, it was easy for me to do.” NTT became the first company to launch 3G commercially, in October 2001. The new wireless standard vastly outstripped 2G’s data rates. Ultimately, average 2G download speeds were about 40 kilobits per second, while 3G eventually would boast up to 8 __mega__ bits per second. The 2G to 3G switch represented a night-and-day difference in speed, making 3G the first global standard to enable the first wave of mobile video calls, Internet browsing, online games, and streaming video content. ## 4G and telecom’s rapid bandwidth growth With his contributions to 3G secured, Onoe continued to look forward. In 2009 Ericsson and Sweden’s TeliaSonera launched the world’s first 4G/LTE network. Five times faster than 3G, it unlocked high-definition video streaming, lag-free online gaming, and a new range of mobile apps including FaceTime, Snapchat, and Uber. Onoe also played a key role in the global 4G standardization process. At the time, he was Docomo’s managing director of R&D strategy. He went on to become the company’s chief technology officer, as well as an executive vice president who served on the board of directors. When he left the company in 2022, he was NTT’s chief standardization strategy officer. That year he was elected to his current role: director of the ITU’s Telecommunication Standardization Bureau. He began his four-year term at the beginning of 2023. “The ITU’s fundamental mission is to connect the unconnected,” he says. “One-third of the world’s population is still not connected. And common specifications help, because when they’re adopted widely, they create economies of scale. Competition increases, and the price drops. It’s a positive cycle.” ## Collaborating with IEEE Onoe joined IEEE early in his career—following company policy at NTT encouraging membership. He says he continues to renew his membership because he values the networking opportunities it provides, as well as chances to talk about the industry with fellow engineers. He works closely with IEEE leaders in his current position at ITU. In December the organizations convened the IEEE-ITU Symposium on Achieving Climate Resilience, which aims to shape a technology-driven road map to confront the climate crisis. “We also hold joint workshops and meetings and share thoughts informally,” Onoe says. “As I’ve seen throughout my career, it’s critically important that standards bodies actively collaborate if we hope to advance global technology.”
25.07.2025 18:00 — 👍 0    🔁 0    💬 0    📌 0
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Video Friday: Skyfall Takes on Mars With Swarm Helicopter Concept Video Friday is your weekly selection of awesome robotics videos, collected by your friends at _IEEE Spectrum_ robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion. ##### RO-MAN 2025: 25–29 August 2025, EINDHOVEN, NETHERLANDS ##### CLAWAR 2025: 5–7 September 2025, SHENZHEN, CHINA ##### ACTUATE 2025: 23–24 September 2025, SAN FRANCISCO ##### CoRL 2025: 27–30 September 2025, SEOUL ##### IEEE Humanoids: 30 September–2 October 2025, SEOUL ##### World Robot Summit: 10–12 October 2025, OSAKA, JAPAN ##### IROS 2025: 19–25 October 2025, HANGZHOU, CHINA Enjoy today’s videos! > _AeroVironment revealed Skyfall—a potential future mission concept for next-generation Mars Helicopters developed with NASA’s Jet Propulsion Laboratory (JPL) to help pave the way for human landing on Mars through autonomous aerial exploration. > > The concept is heavily focused on rapidly delivering an affordable, technically mature solution for expanded Mars exploration that would be ready for launch by 2028. Skyfall is designed to deploy six scout helicopters on Mars, where they would explore many of the sites selected by NASA and industry as top candidate landing sites for America’s first Martian astronauts. While exploring the region, each helicopter can operate independently, beaming high-resolution surface imaging and subsurface radar data back to Earth for analysis, helping ensure crewed vehicles make safe landings at areas with maximum amounts of water, ice, and other resources. > > __The concept would be the first to use the “Skyfall Maneuver”—an innovative entry, descent, and landing technique whereby the six rotorcraft deploy from their entry capsule during its descent through the Martian atmosphere. By flying the helicopters down to the Mars surface under their own power, Skyfall would eliminate the necessity for a landing platform–traditionally one of the most expensive, complex, and risky elements of any Mars mission._ [AeroVironment ] By far the best part of videos like these is watching the expressions on the faces of the students when their robots succeed at something. [RaiLab ] This is just a rendering of course, but the real thing should be showing up on 6 August. [Fourier ] > _Top performer in its class! Less than two weeks after its last release, MagicLab unveils another breakthrough — MagicDog-W, the wheeled quadruped robot. Cyber-flex, dominate all terrains!_ [MagicLab ] > _Inspired by the octopus’s remarkable ability to wrap and grip with precision, this study introduces a vacuum-driven, origami-inspiredsoft actuator that mimics such versatility through self-folding design and high bending angles. Its crease-free, 3D-printable structure enables compact, modular robotics with enhanced grasping force—ideal for handling objects of various shapes and sizes using octopus-like suction synergy._ Paper ] via [ [IEEE Transactions on Robots ] Thanks, Bram! Is it a plane? Is it a helicopter? Yes. [Robotics and Intelligent Systems Laboratory, City University of Hong Kong ] You don’t need wrist rotation as long as you have the right gripper. [Nature Machine Intelligence ] ICRA 2026 will be in Vienna next June! [ICRA 2026 ] Boing, boing, boing! [Robotics and Intelligent Systems Laboratory, City University of Hong Kong ] > _ROBOTERA Unveils L7: Next-Generation Full-Size Bipedal Humanoid Robot with Powerful Mobility and Dexterous Manipulation!_ [ROBOTERA ] > _Meet UBTECH New-Gen of Industrial Humanoid Robot—Walker S2 makes multiple industry-leading breakthroughs! Walker S2 is the world’s first humanoid robot to achieve 3-minute autonomous battery swapping and 24/7 continuous operation._ [UBTECH ] > _ARMstrong Dex is a human-scale dual-arm hydraulic robot developed by the Korea Atomic Energy Research Institute (KAERI) for disaster response. It can perform vertical pull-ups and manipulate loads over 50 kilograms, demonstrating strength beyond human capabilities. However, disaster environments also require agility and fast, precise movement. This test evaluated ARMstrong Dex’s ability to throw a 500-milliliter water bottle (0.5 kg) into a target container. The experiment assessed high-speed coordination, trajectory control, and endpoint accuracy, which are key attributes for operating in dynamic rescue scenarios._ [KAERI ] This is not a humanoid robot, it’s a data-acquisition platform. [PNDbotics ] Neat feature on this drone to shift the battery back and forth to compensate for movement of the arm. Paper ] via [ [Drones journal ] > _As residential buildings become taller and more advanced, the demand for seamless and secure in-building delivery continues to grow. In high-end apartments and modern senior living facilities where couriers cannot access upper floors, robots like FlashBot Max are becoming essential. In this featured elderly care residence, FlashBot Max completes 80 to 100 deliveries daily, seamlessly navigating elevators, notifying residents upon arrival, and returning to its charging station after each delivery._ [Pudu Robotics ] “How to Shake Trees With Aerial Manipulators.” [GRVC ] > _We see a future where seeing a cobot in a hospital delivering supplies feels as normal as seeing a tractor in a field. Watch our CEO Brad Porter share what robots moving in the world should feel like._ [Cobot ] > _Introducing the Engineered Arts UI for robot Roles, it’s now simple to set up a robot to behave exactly the way you want it to. We give a quick overview of customization for languages, personality, knowledge, and abilities. All of this is done with no code. Just simple LLM prompts, drop-down list selections and some switches to enable the features you need._ [Engineered Arts ] > _Unlike most quadrupeds, CARA doesn’t use any gears or pulleys. Instead, her joints are driven by rope through capstan drives. Capstan drives offer several advantages: zero backlash, high torque transparency, low inertia, low cost, and quiet operation. These qualities make them an ideal speed reducer for robotics._ [CARA ]
25.07.2025 16:00 — 👍 0    🔁 0    💬 0    📌 0
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Rethinking Haptic Testing: The Microphone Solution Ensuring consistent haptic feedback in smart devices is critical—but traditional testing methods like **Laser Doppler Vibrometry (LDV)** and **accelerometers** can be slow, expensive, and complex for high-volume production. **What if there was a better way?** This white paper explores how **microphone-based haptic testing** delivers **accurate, non-contact measurements** while streamlining production testing. **In This White Paper, You’ll Learn:** * **How microphone testing compares** to LDVs and accelerometers – without sacrificing accuracy * **Key benefits for production environments** , including speed, cost savings, and simplified setups * **Real-world test results** across smartphones, smartwatches, and fitness trackers * **Why manufacturers are adopting this method** to ensure high-quality haptic performance Download this free whitepaper now!
25.07.2025 13:41 — 👍 0    🔁 0    💬 0    📌 0
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Get to Know the IEEE Board of Directors The IEEE Board of Directors shapes the future direction of IEEE and is committed to ensuring IEEE remains a strong and vibrant organization—serving the needs of its members and the engineering and technology community worldwide while fulfilling the IEEE mission of advancing technology for the benefit of humanity. This article features IEEE Board of Directors members Bala S. Prasanna, Stefano Bregni, Charles M. Jackson, and H. Alan Mantooth. ## IEEE Senior Member Bala S. Prasanna **Director, Region 1:****Northeastern U.S.** Lubin Studios Prasanna brings more than 35 years of academic and corporate experience in telecommunications, computer science, and digital transformation to his current roles. In the academic realm, he has served as assistant professor of computer science at the State University of New York in Oswego and taught C and C++ programming at Morgan State University, in Baltimore. His corporate career has included influential roles in the telecom industry, where he specialized in the design, development, and deployment of network management systems. Throughout his career, he has been dedicated to mentorship, effective communication, and leadership development. Prasanna holds a bachelor’s degree in physics and mathematics as well as a master’s degree in mathematics from Bangalore University, in India. He also earned a master’s degree in computer science from Southern Illinois University in Carbondale. He has held top leadership positions in IEEE for more than 25 years, including serving on the IEEE-USA board of directors as secretary/treasurer. He also served on the IEEE Region 1 executive committee and board of governors and was the regional coordinator for Student Professional Awareness programs. He is actively involved with IEEE-Eta Kappa Nu, the honor society of IEEE. Prasanna is passionate about IEEE’s humanitarian initiatives, especially the IEEE MOVE program, which provides communities with power and communications capabilities in areas affected by widespread outages due to natural disasters. He received an IEEE Third Millennium Award, which recognized his outstanding contributions to the IEEE and his field. Prasanna considers his efforts to mentor and inspire next-generation leaders to be his greatest accomplishment. He remains committed to professional growth, community service, advocacy of impactful programs, and technological advancement. ## IEEE Senior Member Stefano Bregni **Director, Division III** Stefano Bregni Since 1999, Bregni has been a professor**** of telecommunications networks within the electronics, information, and bioengineering department at Politecnico di Milano, in Italy, where he also earned his master of science degree in electronics engineering. His research activity has been mainly focused on network synchronization and Internet traffic characterization. Network synchronization deals with the distribution of time and frequency over a network of clocks by using communication links among them. The goal is to make network elements operate synchronously. It has a direct impact on telecommunications operators and determines the quality of services including transmission systems and networks for switching, computers, and mobile services. He contributed to the European Telecommunications Standards Institute (ETSI)/International Telecommunication Union Telecommunication Standardization Sector (ITU-T) standards on network synchronization. He wrote __Synchronization of Digital Telecommunications Networks__. As an IEEE Distinguished Lecturer, he presented on synchronization concepts in academia and industry. Bregni innovated clock characterization and measurement methodologies, redefined standard measures, and advanced technical concepts throughout academia and industry worldwide within the IEEE Communications Society. He also applied measures originally conceived for frequency stability characterization to the analysis of Internet traffic in communications networks to enable more realistic system design. He has been an active IEEE volunteer for more than 25 years and has held a number of top leadership positions in IEEE ComSoc conferences, including serving as technical program co-chair of flagship conferences IEEE International Conference on Communications 2016 (ICC 2016) and IEEE Globecom 2023. He is a co-founder of the IEEE ComSoc Student Competition, which is the main ComSoc program awarding young talents. He has been editor in chief of the society’s __Global Communications Newsletter__ since 2007. Bregni has been recognized for his volunteerism with the 2019 IEEE ComSoc/KICS Exemplary Global Service Award and the 2014 IEEE ComSoc Hal Sobol Award for Exemplary Service to Meetings and Conferences. He is committed to advancing technology and mentoring next-generation talent in the field. ## IEEE Life Fellow Charles M. Jackson **Director, Division IV** Tammy Lyle/MTT Society Jackson’s work has helped advance many space applications, including communications, radar, and Earth observation. Before he retired in May 2021, he focused on specialized microwave and millimeter-wave technologies. He worked at several communication companies, making digital receivers and driving advancements in the field of phased array radar. He also worked in the aerospace industry,**** assisting with**** space-based programs, supporting technical development, and testing the strength and security of physical and information-based assets against organizational threats. Jackson is an active member of the IEEE Antennas and Propagation and IEEE Microwave Theory and Techniques (MTT-S) societies and has been published in the __IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control__ journal. He is a past chair of the IEEE Conferences Committee, and he held numerous positions in Region 6 (Western U.S.) and its MTT-S chapter. He holds five patents and has published more than 30 articles, including pieces featured in the IEEE Xplore Digital Library. While recovering from cancer, Jackson pursued his lifelong dream of designing and measuring the acoustical properties of woodwind instruments, particularly Renaissance-era flutes, crumhorns, and cornets. He now uses 3D printing to make the instruments and discusses his work in his Microwaves and Woodwinds presentation as a member of the MTT-S Speakers Bureau. His work has helped advance the field’s understanding of acoustical instrument design. ## IEEE Fellow H. Alan Mantooth **Director, Division II** University of Arkansas Throughout his career, Mantooth has been dedicated to enabling greater efficiencies that reduce greenhouse gas emissions within the energy-generation and transportation industries. He received bachelor’s and master’s degrees in electrical engineering from the University of Arkansas, as well as a doctoral degree from Georgia Tech. Mantooth currently leads the UA Power Group, a multidisciplinary team of researchers working on next-generation electric vehicles, renewable energy systems, grid infrastructure, and cybersecurity. The UA Power Group received an __R &D Magazine __R&D 100 Award for its 250-kilowatt all-silicon carbide motor drive for hybrid aircraft. Among his responsibilities at the power group, Mantooth oversees facilities for semiconductor manufacturing, power electronics packaging, and medium voltage testing. He specializes in power electronics for grid modernization, vehicle electrification, and extreme environment electronics in a range of applications. His areas of focus include semiconductor device design and modeling, analog and mixed-signal IC design, CAD methods, power electronics design and packaging, and cybersecurity. The devices, circuits, and systems help improve power grid performance and protect the grid from cyberattacks. They also have commercial applications for electrified aircraft, passenger vehicles, and heavy equipment. A longtime member and past president of the IEEE Power Electronics Society, Mantooth received the society’s Modeling and Control Technical Achievement Award and the __IEEE Transactions on Power Electronics__ Prize Paper Award, both in 2019. Mantooth, named a Tech Titan of 2021 by __Arkansas Money & Politics__ magazine, is an inductee of the Arkansas Academy of Electrical Engineering.
24.07.2025 18:00 — 👍 0    🔁 0    💬 0    📌 0
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Mobile BESS Powers Remote Heavy Equipment In June, a fuel delivery to a Johns Hopkins Hospital campus went terribly awry, spilling 2,000 gallons of diesel into Baltimore’s harbor. As the Maryland capital raced to contain the mess, responders discovered a problem: They didn’t have access to reliable power at the waterfront site. Usually in these kinds of situations, responders bring in fossil-fuel generators. But city officials wanted to do better than burning more fuel while cleaning up diesel. So they tracked down Scott Calhoun, chief operating officer of Power Up Connect. The Baltimore-based company has begun to build mobile battery units that can store enough energy to back up an entire hospital or, in this case, energize a harbor cleanup crew. The company is one of several groups developing mobile battery systems to serve large electricity needs. Volvo builds such systems to charge its all-electric excavators, loaders, and other heavy construction equipment. Tesla has trucked in batteries to beef up the performance of its EV Supercharging stations during times of peak demand. The batteries are a mobile version of a battery energy storage system, or BESS. In the past, BESS has been used in stationary locations to store grid-scale electricity to help balance supply and demand, such as storing solar energy so that it can be used at night or storing backup power in case of outages. The improvements to both the chemistry and engineering of lithium-ion batteries has made it possible to move megawatt-level power on the back of a semi truck. The development opens the possibility to commercialize clean, large-scale electricity on the go for applications that previously relied solely on fossil-fuel generators. ## Why are Automakers Developing Mobile BESS? Power Up Connect got its start, in 2008, providing small power stations that allowed people at concerts or sporting events to recharge their phones. Later, customers began to ask for enough power to support applications like recharging power wheelchairs. Now, the company has scaled up to a trailer that can daisy-chain up to 10 lithium-ion batteries, each with a capacity of 90 kilowatt-hours—slightly bigger than the one that comes in an entry-level Lucid Air electric sedan. Volvo last year began offering all-electric heavy construction equipment such as loaders and excavators that can move earth with the same force as their fossil-fuel-powered competitors. This equipment needs to be charged, of course, and many clients will want to do that on the job site. So Volvo is building mobile BESS solutions to bring charging to the excavators. The know-how for Volvo’s mobile BESS stemmed from the building of its growing line of all-electric semi trucks, which use advanced battery chemistries to pack a remarkable amount of energy into a mobile battery pack, says Darren Tasker, a vice president at Volvo Penta, a division of the automaker that uses the company’s technologies for industrial applications. The improvements to the lithium-ion batteries are due in part to using a nickel cobalt aluminum oxide (NCA) version with aluminum as the cathode. This allowed them to build 90-kWh transportable batteries. According to Tasker, Volvo could easily fit two six-packs of these units onto the back of a semi truck, providing more than a megawatt of power wherever it might be needed. Those batteries can be driven away to a charging depot overnight where they can be recharged, and then brought back to the job site in the morning. After all, Tasker says, “The definition of a construction site is that it is under construction.” Volvo is looking into lithium iron phosphate (LFP) and lithium-sulfer (Li-S) batteries for future use, Tasker says. The Volvo PU500 BESS offers a capacity of 540 kWh and can charge up to 3 heavy-duty trucks or 20 cars daily.AB Volvo ## Can Mobile BESS Power Remote Industrial Work? This moveable feast of electricity could be useful in a wide range of industries. Forestry operations, for example, move from place to place, often in remote locations lacking power. Mining, too, could benefit enormously from electrification. Running fossil-fuel-powered trucks and equipment underground creates dangerous emissions that must be vented out of a mine. “The need to electrify underground mining machines is pretty strong,” says Tasker. “To have zero emissions underground is a great driver of new technology,” he says. But the power would need to be mobile. Mobile BESS is also an appealing solution for places that struggle to find the hundreds of thousands of dollars needed up front to install an electric charging station. Testing out electrification with trucked-in batteries is less risky than spending six figures to build permanent electrical infrastructure. Volvo has clients that are using mobile charging stations to support electric garbage trucks, forklifts and loaders at ports. As batteries get better and cheaper, consumer EV charging stations can go off grid. This month Tesla plunked down a battery and solar installation to power an off-grid Tesla Supercharger station, located off Interstate 5 in California. The station provides enough electricity for 80-plus EVs at a time. The challenge to mobile BESS makers is cost. Batteries aren’t cheap; Tasker says that in some cases, clients might be paying $1,000 per kilowatt-hour for mobile BESS power. That temporary solution is still cheaper than building a charging station, but the cost must come down for moveable batteries to make sense for more uses. After the diesel spill in Baltimore’s harbor, the city ultimately turned to trusty-but-dirty generators in an effort to get the spill under control quickly. But next time could be different. Baltimore is now in talks with Power Up Connect to use mobile batteries for future emergency response situations, Calhoun says.
24.07.2025 16:00 — 👍 0    🔁 0    💬 0    📌 0