EPISODE · Apr 29, 2025 · 2H 22M
Julian Barbour: What Happens When Physics Abandons Time Entirely
from Theories of Everything with Curt Jaimungal · host Theories of Everything
Julian Barbour: time is an illusion and QM should be replaced by relational ratios — exploring entropy, consciousness, and cosmic structure without time or wave functions.0:00 Introduction1:35 Consciousness and the Nature of Reality3:23 The Nature of Time and Change7:01 The Role of Variety in Existence9:23 Understanding Entropy and Temperature36:10 Revisiting the Second Law of Thermodynamics41:33 The Illusion of Entropy in the Universe46:11 Rethinking the Past Hypothesis55:03 Complexity, Order, and Newton's Influence1:02 33 Evidence Beyond Quantum Mechanics1:16 04 Age and Structure of the Universe1:18 53 Open Universe and Ratios1:20 15 Fundamental Particles and Ratios1:24 20 Emergence of Structure in Age1:27 11 Shapes and Their Explanations1:32 54 Life and Variety in the Universe1:44 27 Consciousness and Perception of Structure1:57 22 Geometry, Experience, and Forces2:09 27 The Role of Consciousness in Shape DynamicsSPONSORS:- I personally subscribe to The Economist. TOE listeners get 35% off the annual subscription. No other podcast has this! https://economist.com/TOE- Substack: https://curtjaimungal.substack.com- Spotify: https://tinyurl.com/SpotifyTOE- YouTube Membership: https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/joinRESOURCES:- Julian's previous TOE: https://youtu.be/bprxrGaf0Os- Turok (Big Bang): https://youtu.be/ZUp9x44N3uE- Turok (Black Holes): https://youtu.be/zNZCa1pVE20- All Possible Paths: https://youtu.be/XcY3ZtgYis0- Vervaeke: https://youtu.be/GVj1KYGyesI- Barandes & Aaronson: https://youtu.be/5rbC3XZr9-c- Anti-Gravity: https://youtu.be/eBA3RUxkZdc- Peter Woit: https://youtu.be/TTSeqsCgxj8- The Monadology - Leibniz: https://www.amazon.com/dp/1546527664- The Janus Point - Barbour: https://www.amazon.ca/dp/0465095461- Motive Power of Heat - Carnot: https://www.amazon.ca/dp/1514873974- Lucretius: On the Nature of Things: https://www.amazon.ca/dp/0393341364- Heisenberg and the Interpretation of QM: https://www.amazon.ca/dp/1107403510- Quantum Mechanics for Cosmologists: https://books.google.ca/books?id=qou0iiLPjyoC&pg=PA99- Faraday, Maxwell, and the EM Field: https://www.amazon.ca/dp/1616149426- Feeling of Life Itself - Koch: https://www.amazon.ca/dp/B08BTCX4BM- Time's Arrow and Simultaneity (Barbour): https://arxiv.org/pdf/2211.14179- Moving Force of Heat (Clausius): https://sites.pitt.edu/~jdnorton/teaching/2559_Therm_Stat_Mech/docs/Clausius%20Moving%20Force%20heat%201851.pdf- Motions of Elastic Spheres (Maxwell): http://www.alternativaverde.it/stel/documenti/Maxwell/1860/Maxwell%20%281860%29%20-%20Illustrations%20of%20the%20dynamical%20theory%20of%20gases.pdf- Maxwell-Boltzmann distribution: https://en.wikipedia.org/wiki/Maxwell-Boltzmann_distribution- Gravitational Arrow of Time: https://arxiv.org/pdf/1409.0917- The Nature of Time: https://arxiv.org/pdf/0903.3489- Problem of Time in Shape Dynamics: https://arxiv.org/pdf/1302.6264- CPT-Symmetric Universe: https://arxiv.org/pdf/1803.08928- Mach's Principle (JSTOR): https://www.jstor.org/stable/2397395- Patreon: https://patreon.com/curtjaimungal- Crypto: https://nowpayments.io/donation/TOE- Twitter: https://twitter.com/TOEwithCurt- Discord Invite: https://discord.com/invite/kBcnfNVwqs 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. Learn more about your ad choices. Visit megaphone.fm/adchoices
What this episode covers
Julian Barbour: time is an illusion and QM should be replaced by relational ratios — exploring entropy, consciousness, and cosmic structure without time or wave functions.0:00 Introduction1:35 Consciousness and the Nature of Reality3:23 The Nature of Time and Change7:01 The Role of Variety in Existence9:23 Understanding Entropy and Temperature36:10 Revisiting the Second Law of Thermodynamics41:33 The Illusion of Entropy in the Universe46:11 Rethinking the Past Hypothesis55:03 Complexity, Order, and Newton's Influence1:02 33 Evidence Beyond Quantum Mechanics1:16 04 Age and Structure of the Universe1:18 53 Open Universe and Ratios1:20 15 Fundamental Particles and Ratios1:24 20 Emergence of Structure in Age1:27 11 Shapes and Their Explanations1:32 54 Life and Variety in the Universe1:44 27 Consciousness and Perception of Structure1:57 22 Geometry, Experience, and Forces2:09 27 The Role of Consciousness in Shape DynamicsSPONSORS:- I personally subscribe to The Economist. TOE listeners get 35% off the annual subscription. No other podcast has this! https://economist.com/TOE- Substack: https://curtjaimungal.substack.com- Spotify: https://tinyurl.com/SpotifyTOE- YouTube Membership: https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/joinRESOURCES:- Julian's previous TOE: https://youtu.be/bprxrGaf0Os- Turok (Big Bang): https://youtu.be/ZUp9x44N3uE- Turok (Black Holes): https://youtu.be/zNZCa1pVE20- All Possible Paths: https://youtu.be/XcY3ZtgYis0- Vervaeke: https://youtu.be/GVj1KYGyesI- Barandes & Aaronson: https://youtu.be/5rbC3XZr9-c- Anti-Gravity: https://youtu.be/eBA3RUxkZdc- Peter Woit: https://youtu.be/TTSeqsCgxj8- The Monadology - Leibniz: https://www.amazon.com/dp/1546527664- The Janus Point - Barbour: https://www.amazon.ca/dp/0465095461- Motive Power of Heat - Carnot: https://www.amazon.ca/dp/1514873974- Lucretius: On the Nature of Things: https://www.amazon.ca/dp/0393341364- Heisenberg and the Interpretation of QM: https://www.amazon.ca/dp/1107403510- Quantum Mechanics for Cosmologists: https://books.google.ca/books?id=qou0iiLPjyoC&pg=PA99- Faraday, Maxwell, and the EM Field: https://www.amazon.ca/dp/1616149426- Feeling of Life Itself - Koch: https://www.amazon.ca/dp/B08BTCX4BM- Time's Arrow and Simultaneity (Barbour): https://arxiv.org/pdf/2211.14179- Moving Force of Heat (Clausius): https://sites.pitt.edu/~jdnorton/teaching/2559_Therm_Stat_Mech/docs/Clausius%20Moving%20Force%20heat%201851.pdf- Motions of Elastic Spheres (Maxwell): http://www.alternativaverde.it/stel/documenti/Maxwell/1860/Maxwell%20%281860%29%20-%20Illustrations%20of%20the%20dynamical%20theory%20of%20gases.pdf- Maxwell-Boltzmann distribution: https://en.wikipedia.org/wiki/Maxwell-Boltzmann_distribution- Gravitational Arrow of Time: https://arxiv.org/pdf/1409.0917- The Nature of Time: https://arxiv.org/pdf/0903.3489- Problem of Time in Shape Dynamics: https://arxiv.org/pdf/1302.6264- CPT-Symmetric Universe: https://arxiv.org/pdf/1803.08928- Mach's Principle (JSTOR): https://www.jstor.org/stable/2397395- Patreon: https://patreon.com/curtjaimungal- Crypto: https://nowpayments.io/donation/TOE- Twitter: https://twitter.com/TOEwithCurt- Discord Invite: https://discord.com/invite/kBcnfNVwqs 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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Julian Barbour: What Happens When Physics Abandons Time Entirely
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