Category Archives: Favorite Old Posts

Beyond Falsifiability

Posted on January 17, 2018 by woit

Sean Carroll has a new paper out defending the Multiverse and attacking the naive Popperazi, entitled Beyond Falsifiability: Normal Science in a Multiverse. He also has a Beyond Falsifiability blog post here. Much of the problem with the paper and … Continue reading →

Posted in Favorite Old Posts, Multiverse Mania | 40 Comments

Latest on abc

Posted on December 16, 2017 by woit

I’ve seen reports today (see here and here) that indicate that Mochizui’s IUT papers, which are supposed to contain a proof of the abc conjecture, have been accepted by the journal Publications of the RIMS. Some of the sources for … Continue reading →

Posted in Favorite Old Posts, Uncategorized | 62 Comments

Theorists Without a Theory

Posted on November 24, 2017 by woit

I had been intending to write something here on the blog about this essay by George Ellis, so when I was contacted by someone at Inference about writing a letter in response, I did so for publication there. It has … Continue reading →

Posted in Favorite Old Posts, Multiverse Mania | 10 Comments

A Cosmic Controversy

Posted on May 10, 2017 by woit

A couple months ago Scientific American published an article by Ijjas, Steinhardt and Loeb (also available here), which I discussed a bit here. One aspect of the article was its strong challenge to multiverse mania, calling it the “multimess” and … Continue reading →

Posted in Favorite Old Posts, Multiverse Mania | 53 Comments

Fake Physics

Posted on January 20, 2017 by woit

2016 so far wins my lifetime award for most depressing and disturbing year ever (on the front of the larger world one reads about in the newspaper and elsewhere, personally things are fine, thanks). Perhaps the most disturbing thing has … Continue reading →

Posted in Fake Physics, Favorite Old Posts, Multiverse Mania | 61 Comments

The Day After

Posted on November 9, 2016 by woit

The last few months have not been helpful for my sanity (and I think for that of a large number of other Americans). My three-point program to return to better mental health is to: Write one last blog post about … Continue reading →

Posted in Favorite Old Posts, Uncategorized | Comments Off on The Day After

Next Week’s Hype

Posted on December 2, 2015 by woit

Next week there will be a workshop in Munich with the title Why Trust a Theory? Reconsidering Scientific Methodology in Light of Modern Physics. It’s organized by Richard Dawid, to discuss his ideas about “non-empirical theory confirmation”, developed to defend … Continue reading →

Posted in Favorite Old Posts, This Week's Hype, Uncategorized | 54 Comments

The West Coast Metric is the Wrong One

Posted on June 5, 2015 by woit

I’m trying to get back to blogging about quantum mechanics slogans, this one is about relativistic quantum mechanics. I’m hoping it will stir up more trouble than my last East vs. West one. If you’re doing calculations in relativistic quantum … Continue reading →

Posted in Favorite Old Posts | 61 Comments

The NSA, NIST and the AMS, Part II

Posted on January 19, 2015 by woit

Last summer I wrote here about an article in the AMS Notices which appeared to make misleading claims about the NSA’s involvement in putting a backdoor in an NIST cryptography standard known as DUAL_EC_DRBG. The article by Richard George, a … Continue reading →

Posted in Favorite Old Posts, Uncategorized | 23 Comments

Use the Moment Map, not Noether’s Theorem

Posted on August 28, 2014 by woit

For a fourth provocative slogan about quantum mechanics I’ve chosen: Use the moment map, not Noether’s Theorem. Pretty much every physics textbook these days explains the way symmetry principles work as: Start with an action functional, invariant under a Lie … Continue reading →

Posted in Favorite Old Posts, Quantum Mechanics | 25 Comments