Author Archives: woit

Is Spacetime Unraveling?

Posted on September 26, 2024 by woit

Quanta magazine has just put out an impressive package of material under the title The Unraveling of Space-Time. Much of it is promoting the “Spacetime is doomed” point of view that influential theorists have been pushing for decades now. A … Continue reading →

Posted in Uncategorized | 20 Comments

This Week’s Hype

Posted on September 16, 2024 by woit

Today’s Washington Post has an opinion piece from Brian Greene, running under the demonstrably false title Decades later, string theory continues its march toward Einstein’s dream. In the piece, the argument of string theory critics is given as: Critics argue … Continue reading →

Posted in This Week's Hype | 48 Comments

Podcast About String Theory, Other Items

Posted on September 8, 2024 by woit

A few weeks ago I recorded a podcast with Robinson Erhardt, which has now appeared as String Theory and the Crisis in Physics. We mainly talk about the current situation of string theory in physics and the history of how … Continue reading →

Posted in Uncategorized | 23 Comments

Podcast on Unification

Posted on September 2, 2024 by woit

I recently did another podcast with Curt Jaimungal, on the topic of unification, which is now available here. As part of this I prepared some slides, which are available here. The main goal of the slides is to explain the … Continue reading →

Posted in Euclidean Twistor Unification | 21 Comments

The Terrifying Power of Mathematics

Posted on August 29, 2024 by woit

Ted Jacobson has put on the arXiv a transcription of a 1947 Feynman letter about his efforts to better understand the Dirac equation, in order to find a path integral formulation of it. The letter also contains some fascinating comments … Continue reading →

Posted in Uncategorized | 7 Comments

The Elegant Universe: 25th Anniversary Edition

Posted on August 20, 2024 by woit

Brian Greene’s The Elegant Universe is being reissued today, in a 25th anniversary edition. It’s the same text as the original, with the addition of a 5 page preface and a 36 page epilogue. The initial excitement among some theorists … Continue reading →

Posted in Book Reviews | 17 Comments

Two More

Posted on August 13, 2024 by woit

Two more items: I can’t recommend strongly enough that you watch the new Curt Jaimungal podcast with Edward Frenkel. The nominal topic is the recent proof of the geometric Langlands conjecture, but this is introductory material, with geometric Langlands and … Continue reading →

Posted in Langlands, Uncategorized | 13 Comments

Quick Links

Posted on August 9, 2024 by woit

Starting to write a longer, more technical posting, but for now, a few quick links: The film Particle Fever (for more about this, see here) may get made into a musical. With a little luck they’ll skip the nonsense about … Continue reading →

Posted in Uncategorized | 9 Comments

Susskind: String Theory is Not the Theory of the Real World

Posted on August 7, 2024 by woit

Lawrence Krauss has just put up a long interview with Lenny Susskind. I was listening to it while doing something else, found myself shocked when the discussion got to the current state of string theory to find that I mostly … Continue reading →

Posted in Uncategorized | 20 Comments

Zombie Wormhole Publicity Stunt

Posted on August 2, 2024 by woit

I had thought that the Wormhole Publicity Stunt could now be safely ignored, with almost everyone in the physics community agreeing that this was an embarrassing disaster that was dead and buried. Even the people at Quanta had realized that … Continue reading →

Posted in Fake Physics, Wormhole Publicity Stunts | 14 Comments