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Lex Fridman Podcast

#359 – Andrew Strominger: Black Holes, Quantum Gravity, and Theoretical Physics

Lex Fridman Podcast

Lex Fridman

Technology, Society & Culture, Philosophy, Science

4.713.6K Ratings

🗓️ 15 February 2023

⏱️ 145 minutes

🧾️ Download transcript

Summary

Andrew Strominger is a theoretical physicist at Harvard. Please support this podcast by checking out our sponsors:
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EPISODE LINKS:
Andrew’s website: https://www.physics.harvard.edu/people/facpages/strominger
Andrew’s papers:
Soft Hair on Black Holes: https://arxiv.org/abs/1601.00921
Photon Rings Around Warped Black Holes: https://arxiv.org/abs/2211.01674

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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
(06:34) – Black holes
(11:37) – Albert Einstein
(31:05) – Quantum gravity
(35:17) – String theory
(46:05) – Holographic principle
(54:02) – De Sitter space
(59:14) – Speed of light
(1:06:02) – Black hole information paradox
(1:13:41) – Soft particles
(1:22:48) – Physics vs mathematics
(1:31:58) – Theory of everything
(1:47:20) – Time
(1:49:45) – Photon rings
(2:05:26) – Thought experiments
(2:13:47) – Aliens
(2:19:25) – Nuclear weapons

Transcript

Click on a timestamp to play from that location

0:00.0

The following is a conversation with Andrew Stromanger, theoretical physicist at Harvard,

0:04.9

whose research seeks to shed light on the unification of fundamental laws of nature, the origin of

0:10.6

the universe, and the quantum structure of black holes and event horizons.

0:16.4

And now, a quick view that can mention of you sponsor.

0:19.0

Check them out in the description.

0:20.6

It's the best way to support this podcast.

0:23.2

We've got eight sleep, four nabs, rocket money for saving out subscriptions,

0:28.6

indeed for hiring excellent teams and express VPN for security and privacy on the internet.

0:34.8

Choose who has in my friends.

0:36.6

And now, onto the full ad reads, as always, no ads in the middle.

0:39.6

I try to make this interesting, but if you skip them, please do check out our sponsors.

0:43.6

I enjoy their stuff.

0:45.1

Maybe you will too.

0:47.1

And I should also mention that, as always, we're hiring folks to join our amazing team.

0:54.7

And if you're interested or know somebody who might be interested, go to lexfreedman.com slash hiring.

1:02.4

This episode is brought to you by eight sleep.

1:04.9

And it's new pod three mattress.

1:08.2

Today is actually an example of a day where it's been a pretty rough one.

1:13.5

I didn't get much sleep tonight before I didn't get much sleep tonight at the do.

1:17.2

A bunch of really difficult work, especially programming work and then reviewing other

1:21.5

people's code, I also had to record a podcast and also had to socialize, which is another

1:28.3

kind of challenge altogether.

...

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