Author Archives: woit

Quantum Supremacy

Posted on May 3, 2023 by woit

We’re hearing this week from two very different parts of the string theory community that quantum supremacy (quantum computers doing better than classical computers) is the answer to the challenges the subject has faced. New Scientist has an article Quantum … Continue reading →

Posted in Book Reviews, This Week's Hype, Wormhole Publicity Stunts | 28 Comments

string theory lied to us and now science communication is hard

Posted on April 27, 2023 by woit

I want to make up for linking to something featuring Michio Kaku yesterday by today linking to the exact opposite, an insightful explanation of the history of string theory, discussing the implications of how it was sold to the public. … Continue reading →

Posted in Uncategorized | 59 Comments

This Week’s Hype

Posted on April 26, 2023 by woit

According to this article, string theory is going to be tested using quantum computers, by doing a lattice QCD calculation: The way string theory is tested involves ‘lattice quantum chromodynamics’: a calculation problem far beyond what digital computers can achieve. … Continue reading →

Posted in This Week's Hype | 6 Comments

Kontsevich on the Hodge and Tate conjectures

Posted on April 26, 2023 by woit

Yesterday afternoon there was an event at CUNY featuring a panel discussion on Chern-Simons terms. Nothing new there, although it was interesting to hear first-hand from Witten the story of how he came up with the Chern-Simons-Witten theory. One piece … Continue reading →

Posted in Uncategorized | 8 Comments

Reality is a Paradox

Posted on April 12, 2023 by woit

Lex Fridman’s latest podcast features a nearly four hour long conversation with Edward Frenkel, under the title Reality is a Paradox – Mathematics, Physics, Truth & Love. Normally I’m fairly allergic to hearing mathematicians or physicists publicly sharing their wisdom … Continue reading →

Posted in Uncategorized | 13 Comments

Who was “Not Even Wrong” first?

Posted on April 10, 2023 by woit

I recently heard from John Minkowski, whose father Jan Minkowksi was a student of Pauli’s in the late 1940s. He asked if I knew what the specific context of Pauli’s “Not Even Wrong” comment was, and I told him I … Continue reading →

Posted in Uncategorized | 17 Comments

A Muon Collider?

Posted on March 30, 2023 by woit

The US particle physics community has been going through a multi-year process designed to lead up this fall to a 10 year strategic plan to be presented to the DOE and the NSF. In particular, this will generate a prioritized … Continue reading →

Posted in Uncategorized | 11 Comments

Not Quite What Happened

Posted on March 23, 2023 by woit

Quanta has an article out today about the wormhole publicity stunt, which sticks to the story that by doing a simple SYK model calculation on a quantum computer instead of a classical computer, one is doing quantum gravity in the … Continue reading →

Posted in Wormhole Publicity Stunts | 21 Comments

Lost in the Landscape

Posted on March 3, 2023 by woit

A commenter in the previous posting pointed to an interview with Lenny Susskind that just appeared at the CERN Courier, under the title Lost in the Landscape. Some things I found noteworthy: He deals with the lack of any current … Continue reading →

Posted in Multiverse Mania, Swampland | 20 Comments

Yet More on the Wormholes

Posted on February 27, 2023 by woit

The paper explaining that this Nature cover story, besides being a publicity stunt, was also completely wrong, has so far attracted very little media attention. The first thing I’ve seen came out today at New Scientist, a publication often accused … Continue reading →

Posted in Wormhole Publicity Stunts | 13 Comments