Author Archives: woit

Podcast About String Theory, Other Items

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

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

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

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

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

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

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

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

Various and Sundry

A few items of different kinds: The Harvard Math department website has a wonderful profile of Dick Gross. The second International Congress of Basic Science ended a few days ago in Beijing. A huge number of interesting talks, video and … Continue reading

Posted in Uncategorized | 7 Comments

The Harvard Swampland Initiative

The past few years I’ve been noticing more and more claims like this one, supposedly finding a way to “connect string theory to experiment”. When you look into such claims you don’t find anything at all like a conventional experiment/theory … Continue reading

Posted in Swampland | 14 Comments