meta_pixel
Tapesearch Logo
Log in
Lex Fridman Podcast

#428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens

Lex Fridman Podcast

Lex Fridman

Philosophy, Society & Culture, Science, Technology

4.7 β€’ 13K Ratings

πŸ—“οΈ 22 April 2024

⏱️ 165 minutes

🧾️ Download transcript

Summary

Sean Carroll is a theoretical physicist, author, and host of Mindscape podcast. Please support this podcast by checking out our sponsors:
- HiddenLayer: https://hiddenlayer.com/lex
- Cloaked: https://cloaked.com/lex and use code LexPod to get 25% off
- Notion: https://notion.com/lex
- Shopify: https://shopify.com/lex to get $1 per month trial
- NetSuite: http://netsuite.com/lex to get free product tour

Transcript: https://lexfridman.com/sean-carroll-3-transcript

EPISODE LINKS:
Sean's Website: https://preposterousuniverse.com
Mindscape Podcast: https://www.preposterousuniverse.com/podcast/
Sean's YouTube: https://youtube.com/@seancarroll
Sean's Patreon: https://www.patreon.com/seanmcarroll
Sean's Twitter: https://twitter.com/seanmcarroll
Sean's Instagram: https://instagram.com/seanmcarroll
Sean's Papers: https://scholar.google.com/citations?user=Lfifrv8AAAAJ
Sean's Books: https://amzn.to/3W7yT9N

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: https://youtube.com/lexclips

SUPPORT & CONNECT:
- Check out the sponsors above, it's the best way to support this podcast
- Support on Patreon: https://www.patreon.com/lexfridman
- Twitter: https://twitter.com/lexfridman
- Instagram: https://www.instagram.com/lexfridman
- LinkedIn: https://www.linkedin.com/in/lexfridman
- Facebook: https://www.facebook.com/lexfridman
- Medium: https://medium.com/@lexfridman

OUTLINE:
Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) - Introduction
(11:03) - General relativity
(23:22) - Black holes
(28:11) - Hawking radiation
(32:19) - Aliens
(41:15) - Holographic principle
(1:05:38) - Dark energy
(1:11:38) - Dark matter
(1:20:34) - Quantum mechanics
(1:41:56) - Simulation
(1:44:18) - AGI
(1:58:42) - Complexity
(2:11:25) - Consciousness
(2:20:32) - Naturalism
(2:24:49) - Limits of science
(2:29:34) - Mindscape podcast
(2:39:29) - Einstein

Transcript

Click on a timestamp to play from that location

0:00.0

The following is a conversation with Sean Carroll, his third time in this podcast.

0:05.2

He is a theoretical physicist at John Hopkins,

0:08.8

host of the Mindscape Podcast that I personally love and highly recommend and author of many books including the most recent book series called The Biggest Ideas in the Universe.

0:20.0

The first book of which is titled Space, Time, and Motion, and it's on the topic of general

0:24.8

relativity. And the second coming out on May 14th, so you should definitely

0:30.3

pre-order it, is titled Quanta and Fields, and that one is on the topic of

0:35.2

quantum mechanics. Sean is a legit active theoretical physicist and at the same time is one of the

0:42.2

greatest communicators of physics ever.

0:45.0

I highly encourage you listen to his podcast, read his books, and pre-order the new book to support his work.

0:52.0

This was, as always always a big honor and a pleasure for me.

0:57.0

And now a quick few second mention of the sponsor, check them out in the description. It's the best way to support this podcast. We got a hidden

1:04.4

layer for securing your AI models cloaked for protecting your personal information,

1:09.3

Notion for team collaboration, and amazing note- note taking Shopify for well selling stuff on the

1:16.2

internet and that's sweet for business management software choose wisely my

1:19.7

friends also if you want to work with our amazing team or just get in touch with me, go to Lex Friedman.

1:27.0

com slash contact.

1:28.0

And now, on to the full ad rates.

1:30.0

As always, no ads in the middle.

1:32.0

I try to make these interesting, but if you skip them, please still check out our sponsors. I enjoy their stuff. Maybe you will too.

1:40.0

This episode is brought to you by Hidden Layer, a platform that provides security for your machine learning models.

1:47.0

Boys, this is a fascinating space.

1:50.0

The very fabric of truth is being torn apart by increasingly powerful systems that we consult

...

Please login to see the full transcript.

Disclaimer: The podcast and artwork embedded on this page are from Lex Fridman, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Lex Fridman and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.

Copyright Β© Tapesearch 2025.