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Sabine Hossenfelder
1,411 followers
1,411 followers
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Sabine Hossenfelder's posts

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Penrose claims LIGO noise is evidence for Cyclic Cosmology
One man’s noise is another man’s signal. Noise is the physicists’ biggest enemy. Unless you are a theorist whose pet idea masquerades as noise. Then you are best friends with noise. Like Roger Penrose. Correlated "noise" in LIGO gravitational wave signals: ...

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Nature magazine publishes comment on quantum gravity phenomenology, demonstrates failure of editorial oversight
I have a headache and blame Nature magazine for it. For about 15 years, I have worked on quantum gravity phenomenology, which means I study ways to experimentally test the quantum properties of space and time. Since 2007, my research area has its own confer...

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Stephen Hawking’s 75th Birthday Conference: Impressions
I’m back from Cambridge, where I attended the conference “Gravity and Black Holes” in honor of Stephen Hawking’s 75th birthday. First things first, the image on the conference poster, website, banner, etc is not a psychedelic banana, but gravitational wave ...

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To understand the foundations of physics, study numerology
Numbers speak. [Img Src ] Once upon a time, we had problems in the foundations of physics. Then we solved them. That was 40 years ago. Today we spend most of our time discussing non-problems. Here is one of these non-problems. Did you know that the universe...

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Away Note
I’ll be traveling the next two weeks. First to Cambridge to celebrate Stephen Hawking’s 75th birthday ( which was in January ), then in Trieste for a conference on “Probing the spacetime fabric: from concepts to phenomenology.”   Rant coming up later today,...

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Dear Dr B: Is science democratic?
“Hi Bee, One of the often repeated phrases here in Italy by so called “science enthusiasts” is that “science is not democratic”, which to me sounds like an excuse for someone to justify some authoritarian or semi-fascist fantasy. We see this on countless “S...

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If tensions in cosmological data are not measurement problems, they probably mean dark energy changes
Galaxy pumpkin. Src: The Swell Designer According to physics, the universe and everything in it can be explained by but a handful of equations. They’re difficult equations, all right, but their simplest feature is also the most mysterious one. The equations...

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