Prof. Peter Woit critiques the decline of string theory and outlines his gravi-weak unification approach using Euclidean twistors in Euclidean spacetime. He also examines the role of mathematicians, machine learning, and philosophical issues in the search for quantum gravity.
- 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
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RESOURCES:
- YouTube link: https://youtu.be/9z3JYb_g2Qs
- Not Even Wrong (Peter Woit's Blog): https://www.math.columbia.edu/~woit/wordpress
- 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/righthanded.pdf | https://www.math.columbia.edu/~woit/wordpress
- 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
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