- 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

Janna Levin is a theoretical physicist and cosmologist specializing in black holes, cosmology of extra dimensions, topology of the universe, and gravitational waves.
Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep468-sc
See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

Transcript:
https://lexfridman.com/janna-levin-transcript

CONTACT LEX:
Feedback - give feedback to Lex: https://lexfridman.com/survey
AMA - submit questions, videos or call-in: https://lexfridman.com/ama
Hiring - join our team: https://lexfridman.com/hiring
Other - other ways to get in touch: https://lexfridman.com/contact

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 &amp; 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.
Go to http://netsuite.com/lex
Shopify: Sell stuff online.
Go to https://shopify.com/lex
AG1: All-in-one daily nutrition drink.
Go to https://drinkag1.com/lex

OUTLINE:
(00:00) - Introduction
(00:51) - Sponsors, Comments, and Reflections
(09:21) - Black holes
(16:55) - Formation of black holes
(27:45) - Oppenheimer and the Atomic Bomb
(34:08) - Inside the black hole
(47:10) - Supermassive black holes
(50:39) - Physics of spacetime
(53:42) - General relativity
(59:13) - Gravity
(1:15:47) - Information paradox
(1:24:17) - Fuzzballs &amp; soft hair
(1:27:28) - ER = EPR
(1:34:07) - Firewall
(1:42:59) - Extra dimensions
(1:45:24) - Aliens
(2:01:00) - Wormholes
(2:11:57) - Dark matter and dark energy
(2:22:00) - Gravitational waves
(2:34:08) - Alan Turing and Kurt Godel
(2:46:23) - Grigori Perelman, Andrew Wiles, and Terence Tao
(2:52:58) - Art and science
(3:02:37) - The biggest mystery

PODCAST LINKS:
- Podcast Website: https://lexfridman.com/podcast
- Apple Podcasts: https://apple.co/2lwqZIr
- Spotify: https://spoti.fi/2nEwCF8
- RSS: https://lexfridman.com/feed/podcast/
- Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
- Clips Channel: https://www.youtube.com/lexclips

Janna Levin is a theoretical physicist and cosmologist specializing in black holes, cosmology of extra dimensions, topology of the universe, and gravitational waves. Thank you for listening ❤ Check out our sponsors: https://lexfridman.

Janna Levin is a theoretical physicist and cosmologist specializing in black holes, cosmology of extra dimensions, topology of the universe, and gravitational waves. 
Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep468-sc 
See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. 
 
Transcript: 
https://lexfridman.com/janna-levin-transcript 
 
CONTACT LEX: 
Feedback - give feedback to Lex: https://lexfridman.com/survey 
AMA - submit questions, videos or call-in: https://lexfridman.com/ama 
Hiring - join our team: https://lexfridman.com/hiring 
Other - other ways to get in touch: https://lexfridman.com/contact 
 
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 &amp; 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. 
Go to http://netsuite.com/lex 
Shopify: Sell stuff online. 
Go to https://shopify.com/lex 
AG1: All-in-one daily nutrition drink. 
Go to https://drinkag1.com/lex 
 
OUTLINE: 
(00:00) - Introduction 
(00:51) - Sponsors, Comments, and Reflections 
(09:21) - Black holes 
(16:55) - Formation of black holes 
(27:45) - Oppenheimer and the Atomic Bomb 
(34:08) - Inside the black hole 
(47:10) - Supermassive black holes 
(50:39) - Physics of spacetime 
(53:42) - General relativity 
(59:13) - Gravity 
(1:15:47) - Information paradox 
(1:24:17) - Fuzzballs &amp; soft hair 
(1:27:28) - ER = EPR 
(1:34:07) - Firewall 
(1:42:59) - Extra dimensions 
(1:45:24) - Aliens 
(2:01:00) - Wormholes 
(2:11:57) - Dark matter and dark energy 
(2:22:00) - Gravitational waves 
(2:34:08) - Alan Turing and Kurt Godel 
(2:46:23) - Grigori Perelman, Andrew Wiles, and Terence Tao 
(2:52:58) - Art and science 
(3:02:37) - The biggest mystery 
 
PODCAST LINKS: 
- Podcast Website: https://lexfridman.com/podcast 
- Apple Podcasts: https://apple.co/2lwqZIr 
- Spotify: https://spoti.fi/2nEwCF8 
- RSS: https://lexfridman.com/feed/podcast/ 
- Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 
- Clips Channel: https://www.youtube.com/lexclips

Lex Fridman Podcast

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