Knowledge Zone

Satellites and Atmospheric Pollution While satellites are vital for today's world, they contribute to atmospheric pollution during reentry as they are burnt. These can also impact the Ozone Layer.

Satellite reentry helps clear space debris but releases metallic aerosols into the upper atmosphere, potentially harming the ozone layer.

This process turns long-term orbital pollution into immediate atmospheric chemical changes.

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How do Octopuses Change Colour? Octopuses change color instantly using specialized skin cells called chromatophores, which are tiny, muscle-controlled pigment sacs

#Octopuses change color instantly using specialized skin cells called chromatophores, which are tiny, muscle-controlled pigment sacs.

Beyond #camouflage, these changes are used for communication and may even occur involuntarily while dreaming.

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The High #Energetic #Costs Of Changing #Colors In #Octopus : Medium

#Study Confirms: #Reentering #SpaceX #Rockets Are Peppering the Upper #Atmosphere With #Metal #Pollution : Misc

Will #AI make you #Stupid? ($) : Economist

Latest #KnowledgeLinks

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#OnThisDay Birth Anniversary of British-American #Actress Elizabeth Taylor (1932) - one of the most popular stars of classical Hollywood cinema in the 1950s.

Today is International #PolarBear Day, World #NGO Day.

FC Bayern Munich was founded (1900).

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#QuizOfTheDay: Each #Kidney is made up of about a million filtering units.

The _____________ is the minute or microscopic structural and functional unit of the kidney.

A. Leukocyte
B. Erythrocyte
C. Neuron
D. Nephron

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Hybrid Quantum-Classical Orchestration HQC orchestration is the framework that manages data flow and resource allocation between classical processors (CPUs/GPUs) and quantum units (QPUs), enabling them to execute hybrid algorithms as a sin...

#ITByte: Hybrid Quantum-Classical (HQC) orchestration refers to the software and hardware frameworks that seamlessly integrate and manage the control flow, data exchange, and resource allocation between classical computing resources and quantum processing units.

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Human-Plant Hybrid Cells Human-plant hybrid cells are artificial creations where plant and human cell components are combined, often through somatic fusion (fusing protoplasts).

#KnowledgeByte: Scientists fuse human cells with plant protoplasts in laboratories to study how chromosomes function across vastly different species.

These hybrids cannot develop into organisms but offer vital clues about the evolution of life on Earth.

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Westerlund 1 Westerlund 1 is a super star cluster located in the constellation Ara. It is about 12,000 light-years away from Earth and is thought to be the most massive young star cluster in the Milky Way.

Westerlund 1 is a massive galactic super star cluster located 12,000 light-years away in the constellation Ara.

It contains hundreds of high-mass stars, including rare yellow hypergiants, making it a vital laboratory for studying stellar evolution.

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#PhotoOfTheDay: An Eye-catching Star Cluster

Westerlund 1, the biggest and closest “super” star cluster to Earth, dazzles in this image released in July, 2025.

This view combines data from Chandra X-ray Observatory, James Webb Space Telescope, Hubble Space Telescope.

www.nasa.gov/image-articl...

#PuzzleOfTheDay: A + B = 69

(A-34)^2023 + (B-35)^2023 = ?

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Carbon Sink A carbon sink is anything that absorbs more carbon from the atmosphere than it releases – for example, plants, the ocean and soil.

A #Carbon #Sink is a natural or artificial reservoir, such as a forest or ocean, that absorbs more carbon dioxide from the atmosphere than it releases.

By capturing CO2, these sinks play a vital role in regulating the Earth's climate and slowing global warming.

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Arctic Tundra The Arctic tundra is a cold, treeless biome in the northern hemisphere that surrounds the North Pole. It's characterized by permafrost, low rainfall, and a short growing season.

The Arctic tundra is a vast, treeless biome characterized by permafrost and extreme cold, where only hardy plants like mosses and lichens survive.

This fragile ecosystem faces rapid changes due to global warming, impacting migratory wildlife and carbon storage.

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The Year The #ArcticTundra Went From #CarbonSink to Carbon Source : Medium

A #Record-Breaking #Drill Beneath #Antarctic #Ice Revealed a Big #Surprise : Misc

#Webb #Telescope Uncovers #HydrogenSulfide on Super-#Jupiters : Misc

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#OnThisDay Birth Anniversary of Victor Hugo (1802) - one of the #Greatest French #Writers.

Apollo program: Launch of AS-201, the first flight of the Saturn IB rocket (1966).

Happy Birthday Li Na (1982) - first #GrandSlam singles champion from #Asia, male or female.

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#QuizOfTheDay: "Water Lilies" is a world famous series of approximately 250 oil paintings by a famous French Painter, Impressionist.

Can you name the Painter?

A. Edouard Manet
B. Claude Monet
C. Camille Pissarro
D. Eugene Delacroix

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Data Lakehouse A data lakehouse is a new, open data management architecture that combines the flexibility, cost-efficiency, and scale of data lakes with the data management and ACID transactions of data warehouses.

#ITByte: Data Warehouse vs Data Lake vs Data Lakehouse.

Brief description of various Data storage and architecture for developing Data Reporting and Analytical solutions.

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#KnowledgeBit: A #Langford pairing is a sequence of numbers 1 through n, each appearing twice, where the two occurrences of each number are separated by a distance equal to that number.

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What is the Middle-Income Trap? The Middle-Income Trap refers to a situation where a developing nation grows rapidly to a "middle" level of wealth but then stalls, failing to ever reach the "high-income" status of countries like the...

#KnowledgeByte: The middle-income trap is an economic scenario where a country experiences rapid growth to reach middle-income status but then stagnates, failing to transition into a high-income economy.

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Sagittarius B2 (Sgr B2) is a massive, incredibly dense molecular cloud of gas and dust near the Milky Way's center, located 390 light-years (120 pc) from the central supermassive black hole.

en.wikipedia.org/wiki/Sagitta...

#PhotoOfTheDay: #Sagittarius B2

Stars, gas and cosmic dust in the Sagittarius B2 molecular cloud glow in near-infrared light, captured by Webb’s NIRCam (Near-Infrared Camera).

esawebb.org/images/weic2...

#PuzzleOfTheDay: What is the value of y?

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Reversible Computing Reversible computing is a computational paradigm where every step of the process is reversible, meaning that the computation can run backward to retrieve the initial state.

#Reversible #Computing uses logically invertible operations to ensure no information is lost.

This allows systems to theoretically bypass the Landauer limit, enabling near-zero power consumption and heat dissipation by recycling computational energy.

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#ReversibleComputing, Finally Real? : Medium

#Snakes keep #Evolving into #Cannibals — here's what scientists think is going on : Live Sci

Even in #Antarctica, #Insects Are Eating #Microplastics : Yale

Latest #KnowledgeLinks

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#OnThisDay Birth Anniversary of George Harrison (1943) - English musician often referred to as "the quiet #Beatle".

Birth Anniversary of Jose de San Marti­n (1778) - prime leader of South America's successful struggle for independence from Spanish Empire.

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#QuizOfTheDay: When you think of the #Moon, you might picture its surface with #Craters. But did you know the Moon has mountains too?

Which of the following is the #Highest point on the Moon?

A. Mons Blanc
B. Mons Hadley
C. Mons Huygens
D. Selenean summit

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Immutable Infrastructure Immutable infrastructure is IT server infrastructure that, once deployed, cannot be modified. It’s often associated with the software engineering practices DevOps and continuous delivery.

#ITByte: #Immutable #Infrastructure provides stability, efficiency, and fidelity to your applications through automation and the use of successful patterns from programming.

What is Mutable and #Immutable #Infrastructure and what are the advantages of each?

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Mons Did you know about 'Mons'?

#KnowledgeBit: #Mons (plural: montes, from the Latin word) is a mountain on a celestial body. The term is used in planetary nomenclature: it is a part of the international names of such features.

Examples: Mons Huygens (Moon) and Olympus Mons (Mars).

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Biodiversity Credit Market The biodiversity credit market is a nascent but rapidly evolving financial mechanism aimed at incentivizing the protection and restoration of nature.

#KnowledgeByte: The #Biodiversity #Credit market is a nascent but rapidly evolving financial mechanism aimed at incentivizing the protection and restoration of nature.

"Biodiversity credit" represents quantifiable and verifiable improvements in biodiversity.

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#PhotoOfTheDay: Massive Stars Make Their Mark in Hubble Image

This NASA/ESA Hubble Space Telescope image features the blue dwarf galaxy Markarian 178 (Mrk 178) against a backdrop of distant galaxies in all shapes and sizes.

www.nasa.gov/image-articl...

#PuzzleOfTheDay: Determine the weight of the white ball.

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