Julian Barbour: What Happens When Physics Abandons Time Entirely
2 tim 22 min•29 april 2025
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 Introduction
1:35 Consciousness and the Nature of Reality
3:23 The Nature of Time and Change
7:01 The Role of Variety in Existence
9:23 Understanding Entropy and Temperature
36:10 Revisiting the Second Law of Thermodynamics
41:33 The Illusion of Entropy in the Universe
46:11 Rethinking the Past Hypothesis
55:03 Complexity, Order, and Newton's Influence
1:02:33 Evidence Beyond Quantum Mechanics
1:16:04 Age and Structure of the Universe
1:18:53 Open Universe and Ratios
1:20:15 Fundamental Particles and Ratios
1:24:20 Emergence of Structure in Age
1:27:11 Shapes and Their Explanations
1:32:54 Life and Variety in the Universe
1:44:27 Consciousness and Perception of Structure
1:57:22 Geometry, Experience, and Forces
2:09:27 The Role of Consciousness in Shape Dynamics
SPONSORS:
- 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/join
RESOURCES:
- Julian's previous TOE: https://www.youtube.com/watch?v=bprxrGaf0Os
- Turok (Big Bang): https://www.youtube.com/watch?v=ZUp9x44N3uE
- Turok (Black Holes): https://www.youtube.com/watch?v=zNZCa1pVE20
- All Possible Paths: https://www.youtube.com/watch?v=XcY3ZtgYis0
- Vervaeke: https://www.youtube.com/watch?v=GVj1KYGyesI
- Barandes & Aaronson: https://www.youtube.com/watch?v=5rbC3XZr9-c
- Anti-Gravity: https://www.youtube.com/watch?v=eBA3RUxkZdc
- Peter Woit: https://www.youtube.com/watch?v=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
- Twitter: https://twitter.com/TOEwithCurt
- Discord Invite: https://discord.com/invite/kBcnfNVwqs
0:00 Introduction
1:35 Consciousness and the Nature of Reality
3:23 The Nature of Time and Change
7:01 The Role of Variety in Existence
9:23 Understanding Entropy and Temperature
36:10 Revisiting the Second Law of Thermodynamics
41:33 The Illusion of Entropy in the Universe
46:11 Rethinking the Past Hypothesis
55:03 Complexity, Order, and Newton's Influence
1:02:33 Evidence Beyond Quantum Mechanics
1:16:04 Age and Structure of the Universe
1:18:53 Open Universe and Ratios
1:20:15 Fundamental Particles and Ratios
1:24:20 Emergence of Structure in Age
1:27:11 Shapes and Their Explanations
1:32:54 Life and Variety in the Universe
1:44:27 Consciousness and Perception of Structure
1:57:22 Geometry, Experience, and Forces
2:09:27 The Role of Consciousness in Shape Dynamics
SPONSORS:
- 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/join
RESOURCES:
- Julian's previous TOE: https://www.youtube.com/watch?v=bprxrGaf0Os
- Turok (Big Bang): https://www.youtube.com/watch?v=ZUp9x44N3uE
- Turok (Black Holes): https://www.youtube.com/watch?v=zNZCa1pVE20
- All Possible Paths: https://www.youtube.com/watch?v=XcY3ZtgYis0
- Vervaeke: https://www.youtube.com/watch?v=GVj1KYGyesI
- Barandes & Aaronson: https://www.youtube.com/watch?v=5rbC3XZr9-c
- Anti-Gravity: https://www.youtube.com/watch?v=eBA3RUxkZdc
- Peter Woit: https://www.youtube.com/watch?v=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
- 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.
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