Lex Fridman Podcast
Lex Fridman Podcast

#468 – Janna Levin: Black Holes, Wormholes, Aliens, Paradoxes & Extra Dimensions

May 5, 2025 · 3 h 7 min

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Show notes

Janna Levin is a theoretical physicist and cosmologist specializing in black holes, cosmology of extra dimensions, topology of the universe, and gravitational waves.

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See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

Transcript:

https://lexfridman.com/janna-levin-transcript

CONTACT LEX:

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EPISODE LINKS:

Janna’s X: https://x.com/JannaLevin

Janna’s Website: https://jannalevin.com

Janna’s Instagram: https://instagram.com/jannalevin

Janna’s Substack: https://substack.com/@jannalevin

Black Hole Survival Guide (book): https://amzn.to/3YkJzT5

Black Hole Blues (book): https://amzn.to/42Nw7IE

How the Universe Got Its Spots (book): https://amzn.to/4m5De8k

A Madman Dreams of Turing Machines (book): https://amzn.to/3GGakvd

SPONSORS:

To support this podcast, check out our sponsors & get discounts:

Brain.fm: Music for focus.

Go to https://brain.fm/lex

BetterHelp: Online therapy and counseling.

Go to https://betterhelp.com/lex

NetSuite: Business management software.

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Shopify: Sell stuff online.

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AG1: All-in-one daily nutrition drink.

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OUTLINE:

() – Introduction

() – Sponsors, Comments, and Reflections

() – Black holes

() – Formation of black holes

() – Oppenheimer and the Atomic Bomb

() – Inside the black hole

() – Supermassive black holes

() – Physics of spacetime

() – General relativity

() – Gravity

() – Information paradox

() – Fuzzballs & soft hair

() – ER = EPR

() – Firewall

() – Extra dimensions

() – Aliens

() – Wormholes

() – Dark matter and dark energy

() – Gravitational waves

() – Alan Turing and Kurt Godel

() – Grigori Perelman, Andrew Wiles, and Terence Tao

() – Art and science

() – The biggest mystery

PODCAST LINKS:

– Podcast Website: https://lexfridman.com/podcast

– Apple Podcasts: https://apple.co/2lwqZIr

– Spotify: https://open.spotify.com/episode/3KSOxrjalScxHFQF9u8M46

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