Sabine Hossenfelder
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hossenfelder.bsky.social
Sabine Hossenfelder
@hossenfelder.bsky.social
German Physicist
A group of physicists say they found a solution to the problem of singularities in Einstein's theory.

www.youtube.com/watch?v=b86Y...
Physicists Rethink Time… And It Solves Several Big Problems
YouTube video by Sabine Hossenfelder
www.youtube.com
February 18, 2026 at 4:26 PM
Reposted by Sabine Hossenfelder
One of my favorite videos of hers this year.

Being a natural geometric savant (yes I was an autistic study kid of the 80s) I find their work fascinating though Exceptional Lia algebra frameworks though so few take this route. Even less also do work rectifying it with Teleparallel gravity work.
According to a new paper published by a group of astrophysicists, simulations seem to indicate that our galaxy cluster exists in a thin area of highly concentrated dark matter, which itself is located between two voids of dark matter.

www.youtube.com/watch?v=BHAO...
We Live In Between Two HUGE Dark Matter Voids
YouTube video by Sabine Hossenfelder
www.youtube.com
February 10, 2026 at 4:16 PM
Reposted by Sabine Hossenfelder
I'm in the "Epstein files."

@hossenfelder.bsky.social

I got some questions about the appearance of my name in Jeffrey Epstein's inbox. Turns out to be about... quantum gravity, unbelievable as that sounds. Here is the story and why I am still pissed off about this.

youtu.be/ZxxNENOBD6w
I'm in the "Epstein files." Here is the story.
YouTube video by Sabine Hossenfelder
youtu.be
February 11, 2026 at 4:23 AM
Reposted by Sabine Hossenfelder
Is the scare about plastic nano- and micro particles’ impact on human health justified?

@hossenfelder.bsky.social takes a look and finds that the evidence for significant detrimental effects is weak or dubious, or non-existent:

youtu.be/pyGvCtkIuDk
February 15, 2026 at 7:51 PM
Today I talk about how more quantum computing use cases are disappearing, and an unexpected problem with quantum computing in general.

www.youtube.com/watch?v=N-9m...
The Quantum Computer Dream is Falling Apart
YouTube video by Sabine Hossenfelder
www.youtube.com
February 17, 2026 at 4:36 PM
According to a new paper published by a group of astrophysicists, simulations seem to indicate that our galaxy cluster exists in a thin area of highly concentrated dark matter, which itself is located between two voids of dark matter.

www.youtube.com/watch?v=BHAO...
We Live In Between Two HUGE Dark Matter Voids
YouTube video by Sabine Hossenfelder
www.youtube.com
February 10, 2026 at 4:11 PM
Reposted by Sabine Hossenfelder
Humanity is on its way to prevent space travel for a long time. Good for the aliens, I would say.

Side note: GPS and internet access might be affected or even destroyed, in the long term, too...
February 5, 2026 at 7:24 AM
I got some questions about the appearance of my name in Jeffrey Epstein's inbox. Turns out to be about... quantum gravity, unbelievable as that sounds. Here is the story and why I am still pissed off about this.

www.youtube.com/watch?v=ZxxN...
I'm in the Epstein files. And it's about.... quantum gravity!
YouTube video by Sabine Hossenfelder
www.youtube.com
February 9, 2026 at 4:02 PM
Over the past few months, we’ve seen a growing number of headlines claiming that AI has solved math theorems that have remained unsolved for decades. Is this true? And if so, does this mean mathematicians will soon find themselves out of a job? Let’s take a look.

www.youtube.com/watch?v=IKjf...
The AI Maths Revolution Has Begun
YouTube video by Sabine Hossenfelder
www.youtube.com
February 8, 2026 at 4:11 PM
What the evidence really says about microplastics

www.youtube.com/watch?v=pyGv...
Microplastics: What the Evidence Really Says
YouTube video by Sabine Hossenfelder
www.youtube.com
February 4, 2026 at 4:26 PM
A group of physicists say they have found a new link between quantum physics and gravity

www.youtube.com/watch?v=912v...
A New Link Between Quantum Physics and Gravity
YouTube video by Sabine Hossenfelder
www.youtube.com
February 3, 2026 at 4:34 PM
We are much closer to the Kessler syndrome than we thought.

www.youtube.com/watch?v=8ag6...
We are Much Closer to Kessler Syndrome Than We Thought
YouTube video by Sabine Hossenfelder
www.youtube.com
February 2, 2026 at 4:35 PM
Why does light exist? It's a consequence of what physicists call a "gauge symmetry" and in today's video I do my best to try and explain how that works.

www.youtube.com/watch?v=0Rca...
This is why light exists
YouTube video by Sabine Hossenfelder
www.youtube.com
January 30, 2026 at 4:10 PM
According to new analysis, the reality of biofuels doesn’t match the models, and synthesizing and burning the fuels might actually increase the amount of carbon dioxide in the atmosphere.

www.youtube.com/watch?v=6Nu-...
Biofuels are Delusion, New Data Reveal
YouTube video by Sabine Hossenfelder
www.youtube.com
January 29, 2026 at 4:16 PM
In which I wonder whether we have to accept that the laws of nature are ugly www.youtube.com/watch?v=OBHd...
The Laws of Nature Are Ugly. Do We Have to Accept This?
YouTube video by Sabine Hossenfelder
www.youtube.com
January 22, 2026 at 4:01 PM
More good news for geothermal energy!

www.youtube.com/watch?v=jCb8...
The Geothermal Advantage Nobody Talks About
YouTube video by Sabine Hossenfelder
www.youtube.com
January 20, 2026 at 4:04 PM
In a recent paper, physicists have come up with a quantum physics paradox that seems to show that we can change the past with quantum physics.

www.youtube.com/watch?v=Xb9G...
Quantum Physics Can Change the Past, Physicists Show
YouTube video by Sabine Hossenfelder
www.youtube.com
January 18, 2026 at 4:08 PM
Why does space have 3 dimensions? Why not 2? Or 4? Or 7? It’s because physics wouldn’t work properly. Let’s take a look at the major reasons for why physics needs 3 dimensions.

www.youtube.com/watch?v=DqI2...
Why Does Space Have Three Dimensions?
YouTube video by Sabine Hossenfelder
www.youtube.com
January 15, 2026 at 4:02 PM
Physicists revisit the idea that dark matter is just normal matter

www.youtube.com/watch?v=ffLD...
Dark Matter Might Just Be… Normal Matter.
YouTube video by Sabine Hossenfelder
www.youtube.com
January 14, 2026 at 5:06 PM
Finally a use for string theory

www.youtube.com/watch?v=Hj5b...
Finally a Use for String Theory!
YouTube video by Sabine Hossenfelder
www.youtube.com
January 13, 2026 at 4:02 PM
Why I believe that the future exists already

www.youtube.com/watch?v=um6B...
This is why I believe that the future already exists
YouTube video by Sabine Hossenfelder
www.youtube.com
January 11, 2026 at 4:02 PM
A new paper just delivered a major blow to the idea of a unified theory

www.youtube.com/watch?v=LDMf...
The Multiverse Just Killed Our Dreams of a Final Theory
YouTube video by Sabine Hossenfelder
www.youtube.com
January 10, 2026 at 4:04 PM
According to a new paper, we’ve misunderstood how gravity works. The authors say that gravity really can do action at a distance and that explains the observations that we currently ascribe to dark matter.

www.youtube.com/watch?v=1WgN...
Action at a Distance Can Explain Dark Matter, Physicists Show
YouTube video by Sabine Hossenfelder
www.youtube.com
January 8, 2026 at 4:04 PM
It's amazing how many new ideas scientists have come up with to spy on others

www.youtube.com/watch?v=UYWj...
Surveillance Tech Is Shockingly Advanced
YouTube video by Sabine Hossenfelder
www.youtube.com
January 7, 2026 at 4:05 PM