Julian Barbour: The Physicist Who Says Time Doesn't Exist

Theories of Everything with Curt Jaimungal

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In today's episode of Theories of Everything, Curt Jaimungal and Julian Barbour challenge conventional physics by exploring Barbour's revolutionary ideas on time as an emergent property of change, the universe's increasing order contrary to entropy, and the foundational nature of shape dynamics.

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LINKED MENTIONED:

- The Janus Point (Julian Barbour’s book): https://www.amazon.com/Janus-Point-New-Theory-Time/dp/0465095461

- ‘Relational Concepts of Space and Time’ (Julian Barbour’s 1982 paper): https://www.jstor.org/stable/687224

- ‘The Theory of Gravitation’ (Paul Dirac’s 1958 paper): https://www.jstor.org/stable/100497

- Carlo Rovelli on TOE: https://www.youtube.com/watch?v=hF4SAketEHY

- ‘On the Nature of Things’ (book): https://www.hup.harvard.edu/books/9780674992009

- Leibniz: Philosophical Writings (book): https://www.amazon.com/Leibniz-Philosophical-Writings-Everymans-University/dp/0460119052

- Elementary Principles of Statistical Mechanics (book): https://www.amazon.com/Elementary-Principles-Statistical-Mechanics-Physics/dp/0486789950

- The interpretations of quantum mechanics in 5 minutes (article): https://curtjaimungal.substack.com/p/the-interpretations-of-quantum-mechanics

- Sean Carroll on TOE: https://www.youtube.com/watch?v=9AoRxtYZrZo

Timestamps:

00:00 - Introduction

02:12 - Working Outside of Academia

03:53 - Space, Time, Dimension

10:40 - Mach’s Principle

21:33 - Mach Confused Einstein

24:22 - Two Particle Universe

31:46 - Carlo Rovelli

35:02 - Julian’s Ontology

43:37 - Julian’s Theory ‘Shape Statistics’

51:11 - Leinbiz’s Philosophical Writings

56:14 - Expansion of the Universe (Scale Invariance)

01:05:02 - Cosmological Principle

01:15:34 - Thermodynamics

01:17:15 - Entropy and Complexity

01:30:40 - Wave Function / Double Slit Experiment

01:39:21 - God

01:44:48 - The Role of Instruments

01:47:44 - Etymology of Pattern and Matter

01:51:25 - Join My Substack!