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Sabine Hossenfelder
1,625 followers
1,625 followers
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The present phase of stagnation in the foundations of physics is not normal
Nothing is moving in the foundations of physics. One experiment after the other is returning null results : No new particles, no new dimensions, no new symmetries. Sure, there are some anomalies in the data here and there , and maybe one of them will turn o...
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New paper claims that LIGOs gravitational wave detection from a neutron star merger can’t be right
Two weeks ago , New Scientist warmed up the story about a Danish groups’ claim that the LIGO collaboration’s signal identification is flawed . This story goes back to a paper published in Summer 2017 . After the publication of this paper, however, the VIRGO...
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Modified gravity, demystified [video]
Here is the promised follow-up on my earlier video about dark matter . This time I explain how Modified Newtonian Dynamics gives rise to flat rotation curves and what’s the deal with the Tully-Fisher relation. Fixed my make-up issues but now I put the micro...
Modified gravity, demystified [video]
Modified gravity, demystified [video]
backreaction.blogspot.com
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Guest Post: Phillip Helwig reviews “Lost in Math”
[Phillip Helbig worked in cosmology and gravitational lensing at Hamburg and Jodrell Bank Observatories and the Kapteyn Astronomical Institute. Although no longer employed in academia, he regularly attends conferences and writes book reviews for The Observa...
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Self-driving car rewarded for speed learns to spin in circles. Or, how science works like a neural net.
When I write about problems with the current organization of scientific research, I like to explain that science is a self-organizing, adaptive system. Unfortunately, that’s when most people stop reading because they have no idea what the heck I am talking ...
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I'm hiring: Postdoc In Quantum Foundations in Frankfurt, Germany
I am looking for a postdoctoral researcher to join me and my small group at the Frankfurt Institute for Advanced Studies for a project in quantum foundations. This postdoc position is a two year scholarship supported by the Franklin Fetzer Fund . The resear...
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Book Review: “Rigor Mortis” by Richard Harris
Rigor Mortis: How Sloppy Science Creates Worthless Cures, Crushes Hope, and Wastes Billions Richard Harris Basic Books (April 4, 2017) 15 years in the foundations of physics taught me little about the universe and much about human behavior. I eventually pou...
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Story about LIGO noise resurfaces in New Scientist
Cover of New Scientist Nov 3rd 2018. The current New Scientist issue has an “exclusive feature” under the headline: “DID WE REALLY FIND GRAVITATONAL WAVES? Breakthrough physics result questioned.” The article is by Michael Brooks and it’s a summary of a cla...
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Dark matter. Or what? [Video]
Fixed some problems, created some new ones. Sorry for the glassy stare at some places; I had to redo the recording but had a gigantic headache. I promise not to do that again. Click on “CC” to get English subtitles. I encountered the same problem with YouTu...
Dark matter. Or what? [Video]
Dark matter. Or what? [Video]
backreaction.blogspot.com
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