Sabine Hossenfelder
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
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Where they publish
BackreactionBlog Their long-running physics blog. Has a feed.
Written arguments about physics and how it is funded and reported — foundations of quantum mechanics, particle physics beyond the Standard Model, and why a given result is less than the coverage claims.
Open backreaction.blogspot.com
Recent
- AI Is Taking Over Physics and Nobody Talks About It 1 Sept 2026
- Warp Drives Can Explain Some UAP Observations, Physicist Says 29 Aug 2026
- Quantum Computing Failure Now Obvious 25 Aug 2026
Show 17 more
- The First New Nuclear Fusion Idea for Decades 23 Aug 2026
- Breakthrough: New Type of Matter Discovered 20 Aug 2026
- New Universes Can Form Inside Dying Stars, Physicists Show 19 Aug 2026
- Alien Spacecraft Are On the Moon, Astronomers Claim. Seriously now? 18 Aug 2026
- Two Dimensions of Time Explain Quantum Physics, Physicist Argues 17 Aug 2026
- Plot Twist: Life on Earth had TWO Origins! 16 Aug 2026
- Scientists Solve Mystery of Earth’s Continents 15 Aug 2026
- The War on AI Has Begun 13 Aug 2026
- Neuroscientists Have Been Misreading Brain Scans for Decades 12 Aug 2026
- Dunning Kruger Effect Wrong, Scientists Claim 11 Aug 2026
- Our Most Dangerous Labs Have a Problem No One Wants to Fix 7 Aug 2026
- The Fermi Paradox Just Got Much Worse 6 Aug 2026
- Physicists Say They’ve Found The Origin Of Causality 4 Aug 2026
- Origin of Time Tested in Experiment With Mini-Universe 2 Aug 2026
- Russia Is Drilling 8 km Down to Prove Oil Never Runs Out 1 Aug 2026
- You probably misunderstand the double slit experiment 20 Jul 2026
- Academia's Dirty Secret Is Going to Court 19 Jul 2026
Link verified 1 Sept 2026. Recent items update automatically from the channel.
@skdhx.com Short-form, and where videos are announced.
Short posts on physics and science reporting, and where new videos and blog posts are announced.
Recent
- Artificial intelligence has eaten mathematics. Physics is next, and almost nobody is talking about it. 1 Sept 2026
- no one could have seen that coming 31 Aug 2026
- The IKEA planner vs reality. 30 Aug 2026
Show 4 more
- I have sat through some German notary readings. I think these serve a reasonable purpose if a private person enters a difficult contract full with legalese. A… 30 Aug 2026
- Warp Drives Can Explain Some UAP Observations, Physicist Says 29 Aug 2026
- The 3-volume of a cube is observer-dependent because it gets Lorentz-contracted. This is the basic reason why the idea that the universe is Planck-scale discre… 29 Aug 2026
- Yes indeed. Because if physicists would sit down and think about what "extraordinary claims" actually means, they would realize that all their thousands of non… 29 Aug 2026
Link verified 1 Sept 2026. Recent items update automatically from the channel.
Sabine HossenfelderYouTube Their own channel: short physics explainers. Has a feed.
Short videos explaining new results in physics and astronomy, usually ending with what the finding does not show. Much of the written argument appears here first.
Recent
- AI Is Taking Over Physics and Nobody Talks About It 1 Sept 2026
- Some UAPs Might Be Warp Drives, Physicists Say 29 Aug 2026
- Quantum Computing Failure Now Obvious 25 Aug 2026
Show 12 more
- The First New Nuclear Fusion Idea for Decades 23 Aug 2026
- Breakthrough: New Type of Matter Discovered 20 Aug 2026
- New Universes Can Form Inside Dying Stars, Physicists Show 19 Aug 2026
- Astronomers Claim To Have Seen Alien Spacecraft On the Moon 18 Aug 2026
- Two Dimensions of Time Explain Quantum Physics, Physicist Argues 17 Aug 2026
- Unexpected Discovery: Life on Earth Had Two Origins, Scientists Find 16 Aug 2026
- Scientists Solve Mystery of Earth’s Continents 15 Aug 2026
- The War on AI Has Begun 13 Aug 2026
- Neuroscience is in big trouble 12 Aug 2026
- Dunning Kruger Effect Wrong, Scientists Claim 11 Aug 2026
- Monkey With Deadly Virus Bites Worker at US Government Lab 7 Aug 2026
- The Fermi Paradox Just Got Much Worse 6 Aug 2026
Link verified 1 Sept 2026. Recent items update automatically from the channel.
Latest
Full feed →Everything, newest firstFeed Posts and videos from the cards above, in one stream.
Filter & sortAll sources · condensed
- Artificial intelligence has eaten mathematics. Physics is next, and almost nobody is talking about it. 1 Sept
- AI Is Taking Over Physics and Nobody Talks About It 1 Sept
- AI Is Taking Over Physics and Nobody Talks About It 1 Sept
- no one could have seen that coming 31 Aug
- The IKEA planner vs reality. 30 Aug
- I have sat through some German notary readings. I think these serve a reasonable purpose if a private person enters a difficult contract full with legalese. A… 30 Aug
Show 31 more
- Warp Drives Can Explain Some UAP Observations, Physicist Says 29 Aug
- Some UAPs Might Be Warp Drives, Physicists Say 29 Aug
- Warp Drives Can Explain Some UAP Observations, Physicist Says 29 Aug
- The 3-volume of a cube is observer-dependent because it gets Lorentz-contracted. This is the basic reason why the idea that the universe is Planck-scale discre… 29 Aug
- Yes indeed. Because if physicists would sit down and think about what "extraordinary claims" actually means, they would realize that all their thousands of non… 29 Aug
- Quantum Computing Failure Now Obvious 25 Aug
- Quantum Computing Failure Now Obvious 25 Aug
- The First New Nuclear Fusion Idea for Decades 23 Aug
- The First New Nuclear Fusion Idea for Decades 23 Aug
- Breakthrough: New Type of Matter Discovered 20 Aug
- Breakthrough: New Type of Matter Discovered 20 Aug
- New Universes Can Form Inside Dying Stars, Physicists Show 19 Aug
- New Universes Can Form Inside Dying Stars, Physicists Show 19 Aug
- Astronomers Claim To Have Seen Alien Spacecraft On the Moon 18 Aug
- Alien Spacecraft Are On the Moon, Astronomers Claim. Seriously now? 18 Aug
- Two Dimensions of Time Explain Quantum Physics, Physicist Argues 17 Aug
- Two Dimensions of Time Explain Quantum Physics, Physicist Argues 17 Aug
- Unexpected Discovery: Life on Earth Had Two Origins, Scientists Find 16 Aug
- Plot Twist: Life on Earth had TWO Origins! 16 Aug
- Scientists Solve Mystery of Earth’s Continents 15 Aug
- Scientists Solve Mystery of Earth’s Continents 15 Aug
- The War on AI Has Begun 13 Aug
- The War on AI Has Begun 13 Aug
- Neuroscience is in big trouble 12 Aug
- Neuroscientists Have Been Misreading Brain Scans for Decades 12 Aug
- Dunning Kruger Effect Wrong, Scientists Claim 11 Aug
- Dunning Kruger Effect Wrong, Scientists Claim 11 Aug
- Monkey With Deadly Virus Bites Worker at US Government Lab 7 Aug
- Our Most Dangerous Labs Have a Problem No One Wants to Fix 7 Aug
- The Fermi Paradox Just Got Much Worse 6 Aug
- The Fermi Paradox Just Got Much Worse 6 Aug