The Janus Point audiobook cover - A New Theory of Time

The Janus Point

A New Theory of Time

Julian Barbour

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Key Takeaways from The Janus Point

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The Janus Point
Traditional Physics vs. New Theory
Traditional View
Barbour's Theory
The Illusion of Time's Arrow
Macro Asymmetry
Micro Symmetry
The Janus Point Concept
Complexity over Entropy
The Box Fallacy
Growth of Structure
Entaxy
The Three-Body Model
System Components
Crossing the Point
Measuring Space and Time
Mechanics of Total Collision
Universe as a Shape
Newtonian Mechanics
General Relativity Challenge
Massless Scalar Field

Quiz — Test Your Understanding

Question 1 of 7
What does Julian Barbour propose is actually increasing in the universe, challenging the traditional view of entropy?

The Janus Point — Full Chapter Overview

The Janus Point Summary & Overview

The Janus Point (2020) is a provocative, new take on the origins of time and the fate of the universe. Today, most physicists believe that the universe as we know it began with the big bang. But there may be a different possibility – that the big bang wasn’t the beginning of time, but merely a very special point in the history of our cosmos.

Who Should Listen to The Janus Point?

  • Big-picture thinkers who love exploring fundamental questions about the universe
  • People who are fascinated – but may sometimes feel intimidated – by physics
  • Anyone who enjoys delving into complex and abstract theories

About the Author: Julian Barbour

Julian Barbour is a theoretical physicist and former visiting professor at the University of Oxford. He is the author of the best-selling book The End of Time, in which he lays out the theory that time is merely an illusion.

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