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Why do physicists think that our universe isn't the only one? And should you believe them? In this video, I explain what the multiverse is and what the problem is with it. I have talked about this before but in hindsight I think I made it too confusing. This is my new and hopefully improved attempt to summarize the important points.
Correction: At 5 minutes 20 seconds, the text on screen says "Enternal Inflation" -- that should have been "Eternal Inflation"! Sorry about that!
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00:00 Intro
00:24 What is a Multiverse?
01:41 The Many Worlds Interpretation
04:33 Eternal Inflation
06:00 The String Theory Landscape
07:35 The Problem with the Multiverse
10:28 Answers to the Usual Objections
15:03 Conclusion
15:30 Sponsor Message
#physics #philosophy #universe #quizwithit
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