Peter Woit: Unification, Spinors, Twistors, String Theory

YouTube Link: https://www.youtube.com/watch?v=9z3JYb_g2Qs Prof. Peter Woit discusses string theory, its decline, and introduces his graviweak unification theory using Euclidean twistor in Euclidean spacetime. TIMESTAMPS: - 00:00:00 Introduction - 00:00:00 String theory's fundamental issues | Mathematicians' challenges - 00:02:20 Spacetime and twistor theory insights - 00:20:00 Bundles & diffeomorphism groups - 00:38:34 Spinors as a spacetime point - 00:46:57 Dominance of string theory & Ed Witten's influence - 00:54:17 Quest for quantum gravity - 01:03:22 String theory's lack of predictive power - 01:09:33 Machine learning meets theoretical physics - 01:18:56 Personal attacks vs. intellectual debate - 01:24:49 Mathematicians vs. Physicists | Academic silos - 01:37:15 Developing a contrarian view & the origin of 'Not Even Wrong' - 01:40:54 Langlands & representation theory - 01:48:51 Spacetime is NOT doomed - 01:58:47 Sean Carroll's crisis in physics (odd responses to criticism) - 02:13:21 Differentiable structures by dimension - 02:26:10 Gravi-weak unification & chirality - 02:32:57 Chern-Simons theory - 02:42:20 Gravity as torsion or curvature - 02:50:07 Category theory in physics - 02:56:43 Defining a fulfilling life - Patreon: https://patreon.com/curtjaimungal (early access to ad-free audio episodes!) - Crypto: https://tinyurl.com/cryptoTOE - PayPal: https://tinyurl.com/paypalTOE - Twitter: https://twitter.com/TOEwithCurt - Discord Invite: https://discord.com/invite/kBcnfNVwqs - iTunes: https://podcasts.apple.com/ca/podcast... - Pandora: https://pdora.co/33b9lfP - Spotify: https://open.spotify.com/show/4gL14b9... - Subreddit r/TheoriesOfEverything: https://reddit.com/r/theoriesofeveryt... - TOE Merch: https://tinyurl.com/TOEmerch LINKS MENTIONED: - Not Even Wrong (Peter Woit's Blog): https://www.math.columbia.edu/~woit/w... - Not Even Wrong (Peter Woit's Book): https://amzn.to/40NFeaK - Spacetime is Right-Handed (Peter Woit's Article): https://www.math.columbia.edu/~woit/r... - Podcast w/ Edward Frankel: https://youtu.be/n_oPMcvHbAc - The Elegant Universe (Brian Greene): https://amzn.to/3sNmk7x - The Trouble With Physics (Lee Smolin): https://amzn.to/47lCCUj - Podcast w/ Sabina Hossenfelder on TOE: https://youtu.be/walaNM7KiYA - Podcast w/ Stephon Alexander Part 1: https://youtu.be/VETxb96a3qk - Podcast w/ Stephon Alexander Λ Sal Pais: https://youtu.be/PE4C7OI7Frg - Podcast w/ Eric Weinstein: https://youtu.be/KElq_MLO1kw - Podcast w/ Stephen Wolfram Part 1: https://youtu.be/1sXrRc3Bhrs - Podcast w/ Stephen Wolfram Part 2: https://youtu.be/xHPQ_oSsJgg - Podcast w/ Jonathan Oppenheim: https://youtu.be/NKOd8imBa2s