Julian Barbour: What Happens When Physics Abandons Time Entirely
Theories of Everything with Curt Jaimungal
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Intro
This chapter examines the idea that quantum mechanics could be an overlooked element of classical physics, based on new findings in Newton's gravitational theory. The conversation explores the profound implications of this perspective for our understanding of the universe's foundational laws.
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Episode notes
Julian Barbour argues that time is an illusion and quantum mechanics should be replaced by relational ratios. He explores how entropy, consciousness, and the structure of the universe can be understood without fundamental time or wave functions.
- 00:00 - Introduction
- 01:35 - 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:
- The Economist: 20% off discount. https://www.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 appearance on TOE: https://www.youtube.com/watch?v=bprxrGaf0Os
- Neil Turok on TOE (Big Bang): https://www.youtube.com/watch?v=ZUp9x44N3uE
- Neil Turok on TOE (Black Holes): https://www.youtube.com/watch?v=zNZCa1pVE20
- Debunking "All Possible Paths": https://www.youtube.com/watch?v=XcY3ZtgYis0
- John Vervaeke on TOE: https://www.youtube.com/watch?v=GVj1KYGyesI
- Jacob Barandes & Scott Aaronson on TOE: https://www.youtube.com/watch?v=5rbC3XZr9-c
- The Dark History of Anti-Gravity: https://www.youtube.com/watch?v=eBA3RUxkZdc
- Peter Woit on TOE: https://www.youtube.com/watch?v=TTSeqsCgxj8
- The Monadology - G.W. Leibniz: https://www.amazon.com/dp/1546527664
- The Janus Point - Julian Barbour: https://www.amazon.ca/dp/0465095461
- Reflections on the 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
- The Feeling of Life Itself - Christof Koch: https://www.amazon.ca/dp/B08BTCX4BM
- Time's Arrow and Simultaneity (Barbour): https://arxiv.org/pdf/2211.14179
- On the Moving Force of Heat (Clausius): https://sites.pitt.edu/~jdnorton/teaching/2559_Therm_Stat_Mech/docs/Clausius%20Moving%20Force%20heat%201851.pdf
- On the Motions and Collisions 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 (Wikipedia): https://en.wikipedia.org/wiki/Maxwell-Boltzmann_distribution
- Identification of a Gravitational Arrow of Time: https://arxiv.org/pdf/1409.0917
- The Nature of Time: https://arxiv.org/pdf/0903.3489
- The Solution to the Problem of Time in Shape Dynamics: https://arxiv.org/pdf/1302.6264
- CPT-Symmetric Universe: https://arxiv.org/pdf/1803.08928
- Mach's Principle and Dynamical Theories (JSTOR): https://www.jstor.org/stable/2397395
- Patreon: https://patreon.com/curtjaimungal
- Twitter: https://twitter.com/TOEwithCurt
- Discord Invite: https://discord.com/invite/kBcnfNVwqs
- 00:00 - Introduction
- 01:35 - 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:
- The Economist: 20% off discount. https://www.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 appearance on TOE: https://www.youtube.com/watch?v=bprxrGaf0Os
- Neil Turok on TOE (Big Bang): https://www.youtube.com/watch?v=ZUp9x44N3uE
- Neil Turok on TOE (Black Holes): https://www.youtube.com/watch?v=zNZCa1pVE20
- Debunking "All Possible Paths": https://www.youtube.com/watch?v=XcY3ZtgYis0
- John Vervaeke on TOE: https://www.youtube.com/watch?v=GVj1KYGyesI
- Jacob Barandes & Scott Aaronson on TOE: https://www.youtube.com/watch?v=5rbC3XZr9-c
- The Dark History of Anti-Gravity: https://www.youtube.com/watch?v=eBA3RUxkZdc
- Peter Woit on TOE: https://www.youtube.com/watch?v=TTSeqsCgxj8
- The Monadology - G.W. Leibniz: https://www.amazon.com/dp/1546527664
- The Janus Point - Julian Barbour: https://www.amazon.ca/dp/0465095461
- Reflections on the 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
- The Feeling of Life Itself - Christof Koch: https://www.amazon.ca/dp/B08BTCX4BM
- Time's Arrow and Simultaneity (Barbour): https://arxiv.org/pdf/2211.14179
- On the Moving Force of Heat (Clausius): https://sites.pitt.edu/~jdnorton/teaching/2559_Therm_Stat_Mech/docs/Clausius%20Moving%20Force%20heat%201851.pdf
- On the Motions and Collisions 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 (Wikipedia): https://en.wikipedia.org/wiki/Maxwell-Boltzmann_distribution
- Identification of a Gravitational Arrow of Time: https://arxiv.org/pdf/1409.0917
- The Nature of Time: https://arxiv.org/pdf/0903.3489
- The Solution to the Problem of Time in Shape Dynamics: https://arxiv.org/pdf/1302.6264
- CPT-Symmetric Universe: https://arxiv.org/pdf/1803.08928
- Mach's Principle and Dynamical Theories (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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Learn more about your ad choices. Visit megaphone.fm/adchoices
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