Abhay Ashtekar: Loop Quantum Cosmology Replaces the Big Bang

Abhay Ashtekar: Loop Quantum Cosmology Replaces the Big Bang

Abhay Ashtekar examines Gödel universes, time travel paradoxes, and loop quantum cosmology's latest advances They explore how consciousness, philosophy and physics intersect and debate the prospects of a quantum bounce replacing the Big Bang.- 00:00:00 - Introduction- 00:00:00 - Inner World vs Outer World- 00:05:35 - Buddha's Poison Arrow- 00:11:05 - Merging philosophy and physics- 00:13:33 - Buddha not wrong- 00:19:30 - Studying enlightenment scientifically- 00:23:29 - Psychedelics caution- 00:25:17 - Loop Quantum Gravity overview- 00:36:39 - Wheeler‑DeWitt equation- 00:44:48 - Self‑dual and anti‑self‑dual- 00:48:16 - Hodge dual and metric- 00:52:06 - Linearized gravity- 00:55:32 - Quantum gravity- 01:03:22 - Einstein vs Schrödinger- 01:09:24 - Quantizing geometry details- 01:13:41 - Yang‑Mills theory intro- 01:20:52 - Tetrads and vierbeins- 01:24:26 - Penrose’s twistor theory- 01:26:44 - Einstein’s hole argument- 01:40:48 - Mach’s principle- 01:49:04 - Singularities and black holes- 02:12:18 - Quantum bounce (Ashtekar bounce)- 02:23:07 - Pure and mixed quantum states- 02:26:38 - Black holes and horizons- 02:42:09 - ADM decomposition- 02:43:55 - Gödel universe, time travel, CTCs- 02:52:38 - Superforce question- 02:56:13 - Universe before the Big Bang- 03:01:44 - String theory vs LQG- 03:17:31 - Ed Witten critiques LQG- 03:21:14 - Duality between string theory and LQG- 03:25:20 - Philosopher and monk discussionSPONSORS:- Brilliant: 20% off at https://brilliant.org/TOE- NordVPN: exclusive deal at https://nordvpn.com/theories- Manscaped: 20% off and free shipping with code [EVERYTHING20]- Wren: climate pledge at https://wren.co/theories- Trade Coffee: $30 off first order plus free shipping at https://drinktrade.com/everything- ButcherBox: two steaks and lobster claw free at https://butcherbox.com/THEORIESRESOURCES:- YouTube link: https://youtu.be/03ReIvXKrrU- Patreon: https://patreon.com/curtjaimungal- 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/better-left-unsaid-with-curt-jaimungal/id1521758802- Pandora: https://pdora.co/33b9lfP- Spotify: https://open.spotify.com/show/4gL14b92xAErofYQA7bU4e- Subreddit r/TheoriesOfEverything: https://reddit.com/r/theoriesofeverything- Merch: https://tinyurl.com/TOEmerch- Physics and Consciousness Contest: https://youtu.be/V93GQaDtv8w- Dialect's video on Newton's Bucket: https://www.youtube.com/watch?v=Jz3mOlUOGoY- Brian Roberts (physicist and philosopher): https://personal.lse.ac.uk/robert49/- The Monk and the Philosopher: https://amzn.to/3Bva2mf- More on the Gödel Universe: https://doi.org/10.1088/1367-2630/15/1/013063- Better Left Unsaid documentary: http://betterleftunsaidfilm.com Theories of Everything with Curt Jaimungal features long-form, technically detailed interviews with leading researchers in physics, mathematics, consciousness, and philosophy, exploring topics at the level of active research. For academics, graduate students, and anyone seeking depth beyond popular science. FOLLOW: Substack | Spotify | YouTube | Twitter Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

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Curt Jaimungal: General Relativity Is NOT Deterministic (Here's the Proof)

Curt Jaimungal: General Relativity Is NOT Deterministic (Here's the Proof)

Many people think physics / reality is either guided by a probabilistic distribution or is “determined.” Actually, there’s a third, far‐more unsettling option. Curt Jaimungal explains why Einstein’s g...

12 Mars 21min

John Donoghue: We Have Already Quantized Gravity (And It Works)

John Donoghue: We Have Already Quantized Gravity (And It Works)

Professor John Donoghue explains why quantum physics and gravity actually work perfectly together. He tackles quadratic gravity, effective field theory, and random dynamics, arguing that grand unifica...

11 Mars 1h 6min

Nir Lahav: What If Consciousness Follows the Rules of Relativity?

Nir Lahav: What If Consciousness Follows the Rules of Relativity?

A physicist proposes a relativistic theory of consciousness based on spacetime geometry and information.Physicist Nir Lahav joins me to argue that the hard problem isn't hard so much as confused—a con...

5 Mars 3h 8min

Curt Jaimungal: Why Neil deGrasse Tyson Gets "Belief" Wrong

Curt Jaimungal: Why Neil deGrasse Tyson Gets "Belief" Wrong

Curt Jaimungal argues that astrophysicists like Neil deGrasse Tyson and spiritual gurus Deepak Chopra and Thomas Campbell can’t logically claim they don’t hold beliefs. This “Theories of Everything” w...

2 Mars 16min

David Bessis: What Mathematics Really Is and How to Learn It

David Bessis: What Mathematics Really Is and How to Learn It

What is mathematics, really? Mathematician David Bessis joins me to argue that math isn't about numbers in a Platonic realm or a meaningless game of symbols—it's a cognitive technology for rewiring yo...

23 Feb 2h 18min

Erik Verlinde: Gravity Is Not Fundamental, It Is Entropic

Erik Verlinde: Gravity Is Not Fundamental, It Is Entropic

What if gravity is just entropy in disguise? Professor Erik Verlinde joins me to argue that gravity isn't a fundamental force—it's thermodynamic, emerging from quantum information the way gas pressure...

16 Feb 1h 58min

Vitaly Vanchurin: The Universe Is a Neural Network That Learns

Vitaly Vanchurin: The Universe Is a Neural Network That Learns

What if physics is just the universe learning? Most Theories of Everything episodes are mind‑bending for their math, physics, philosophy, or consciousness implications. This one hits all four simultan...

9 Feb 1h 58min

Rob Spekkens: Why the Quantum Wave Function Is Not Real

Rob Spekkens: Why the Quantum Wave Function Is Not Real

From Ancient Egypt to Leibniz... Brand‑new interview out with Robert Spekkens of the Perimeter Institute, one of the sharpest minds working on quantum foundations. In 2004, he constructed a classical ...

2 Feb 2h 47min

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