@hossenfelder.bsky.social
German Physicist
Solar power is one of the most popular sources of renewable energy, due to both its cost-effectiveness and the fact that solar panels emit zero greenhouse gases. But according to new analyses, solar isn’t as cheap as we’ve been led to believe.
www.youtube.com/watch?v=otSA...
A 15-year-old Belgian boy just finished his PhD in quantum physics, publishing a thesis focused on Bose-Einstein condensates. First, let’s take a look at his PhD thesis and then discuss the reality of going for a physics PhD in 2025.
www.youtube.com/watch?v=YSTR...
According to new data analysis, our solar system is traveling through the universe roughly 3 times faster than our current models predict it should be moving. Why is this, and why does it matter? Let’s take a look.
www.youtube.com/watch?v=fGXn...
Small modular nuclear reactors are coming -- against all odds
www.youtube.com/watch?v=N1r_...
I am convinced that eventually AI will become conscious and I am beginning to worry that we simply wouldn’t notice because no one is watching out for it.
www.youtube.com/watch?v=S8tt...
I think this is a special time in human history to be alive. Happy Thanksgiving!
www.youtube.com/watch?v=w9l7...
A physicist from Japan claims that he has found the first direct evidence for dark matter in very highly energetic gamma-ray emissions from the centre of our galaxy. Let’s have a look at the paper.
www.youtube.com/watch?v=GQwz...
Scientists just found a massive 7,000 kilometer-long gravitational anomaly off the coast of Africa in data from a NASA satellite. The anomaly occurred from 2006 to 2008 and has now disappeared. What caused it? Let’s have a look.
www.youtube.com/watch?v=_eME...
A group of physicists has proved that we can describe all of nature with only one constant.
www.youtube.com/watch?v=-bAr...
A mathematician has calculated the odds that we are alone in the universe. It seems unlikely.
www.youtube.com/watch?v=6aJ3...
Physicists have experimentally confirmed a 50 year old prediction of special relativity.
www.youtube.com/watch?v=2IwZ...
I’d much rather only bring you good news, but I feel like I can’t just be quiet about this unfolding climate disaster. I no longer believe that we are able to keep the damage manageable by reducing emissions, and so all signs point to geoengineering.
www.youtube.com/watch?v=p5Gh...
"What the FUCK is wrong with Europe?"
Der Hauptgrund dafür, dass 🇪🇺 mehr und mehr in Richtung autoritärer Strukturen abdriftet, liegt für @hossenfelder.bsky.social in der extremen Trägheit des Sozialstaats, der zu langsam ist, um mit dem rasanten technologischen Fortschritt Schritt zu halten. 1/8
When Did LLMs Get This Good At Physics?https://www.youtube.com/watch?v=njNrTUMC6qE
16.11.2025 16:05 — 👍 15 🔁 2 💬 4 📌 1
In which I air my frustration about how much Europe has fallen behind.
www.youtube.com/watch?v=iH0a...
We don’t see the effects of quantum physics outside the submicroscopic scale. But why, exactly, is this true? According to physicists who’ve recently published a paper on that question, the theory of Quantum Darwinism can answer it. Let’s take a look.
www.youtube.com/watch?v=LbG0...
You’ve probably heard that human industrialization is actually a mass extinction event that’s killed off hundreds of thousands of different animal species, I certainly did. But is that actually true? Let’s take a look at the numbers.
www.youtube.com/watch?v=ChKc...
The Simulation Hypothesis is the idea that our universe is actually an algorithm being run on a mysterious supercomputer. In a recent paper, a group of physicists say they’ve disproved this theory by using Goedel’s theorem. Let’s take a look.
www.youtube.com/watch?v=k6Ad...
The 2011 Nobel Prize in physics was awarded for the discovery that the expansion of the universe is accelerating based on data from supernovae. A new analysis now looks at a larger data set & finds that the Nobel Prize winning conclusion doesn't hold up.
www.youtube.com/watch?v=2VpP...
Our understanding of the universe would be nothing without mathematics. Let’s take a look at one recent paper that caught my attention because it’s a lovely example of this relationship.
www.youtube.com/watch?v=azqG...
The AI resistance is building. Across social media, a growing number of people are expressing their frustration with the spread of AI technology, even as corporations and governments spend more and more money on AI development.
www.youtube.com/watch?v=ICju...
In a recently published paper, a group of physicists outlined a new theory which might explain why our universe contains solid matter. According to the paper, the universe was at one point filled with tiny knots made up of pure energy.
www.youtube.com/watch?v=3c7r...
Two years ago, I predicted that the hype around quantum computing would crash by 2024. With 2025 almost over, it’s clear that I was wrong.
www.youtube.com/watch?v=gBTS...
Batteries are going to get some major upgrades, soon.
www.youtube.com/watch?v=u7Mu...
I recently learned that some mathematicians deny the existence of large numbers.
www.youtube.com/watch?v=4cFg...
A group of physicists says that four objects in recent data collected by the James Webb Telescope match the theoretical properties of dark stars, that are stars powered by dark matter.
www.youtube.com/watch?v=q8Yx...
Physicists really do believe that their discipline is the basis for all other sciences because, well, it is. Recently, physicists have been applying physics to biology, using physics principles to predict how life itself evolves. Let’s take a look.
www.youtube.com/watch?v=Lj8N...
How is our supposedly glorious transition to electric vehicles going? Last year I said that I expect a shift towards more hybrid vehicles. Was I right, was I wrong?
www.youtube.com/watch?v=fi_n...
Some people have developed close relationships with AI bots, and think they’ve “awakened” their AI partners into sentience. They have developed an entirely new pseudoscientific theory for this, which is based on five dimensional scalar resonances.
www.youtube.com/watch?v=wm64...
A physicist claims that changing constants explain dark energy and dark matter, both of which are just an “illusion”. Well, wow. I’ve had a look.
www.youtube.com/watch?v=Zq8t...
