Is the Multiverse Real?

This episode can be seen as a stand-alone summary of our analysis and rejection of the multiverse, or as a review of the main points of this season. It’s perfect for anyone interested in understanding why the multiverse fails but doesn’t have the stamina to listen to the whole season. You can find a written version of the episode here. We also just released the first episode of the complete Season 2 about Multiverse on our @PhysicsToGod YouTube channel.

Some points we discuss in this episode include: The Fine Tuning Argument, Three Premises of Multiverse, Many Worlds Interpretation of Quantum Mechanics, Eternal Inflation, String Theory, Naive Multiverse, Is Our Grand Universe Typical?, Infinities and Measures, The Boltzmann Brain Problem, The Three Layers of the Measure Problem, Is the Multiverse Science?

Timestamps:

0:00 - Opening

0:13 - What is the Multiverse?

3:07 - Fine Tuning

6:42 - Three Premises of Multiverse

10:01 - Infinite Multiverse Premise

15:45 - Varied Multiverse Premise

21:41 - Naive Multiverse

28:50 - Typical Universe Premise

33:55 - Is Our Grand Universe Typical?

35:36 - Infinities and Measures

38:28 - Ad Hoc Measures

40:01 - Intuitive Measures Don’t Work

45:46 - The Fine Tuned Measure Problem

48:00 - Three Layers of the Measure Problem

49:05 - Is the Multiverse Science?

53:55 - Conclusion

Get essay versions of all episodes in Season 1: Intelligent Cause and Season 2: Analyzing & Rejecting Multiverse

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