Andrew Strominger: Black Holes, Quantum Gravity, and Theoretical Physics | Lex Fridman Podcast #359

ℹ️ EPISODE INFO

Released

February 15, 2023

Duration

2h 19m

Channel

Lex Fridman Podcast

Watch on YouTube

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📝 EPISODE DESCRIPTION

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 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/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 1:12 - Black holes 6:16 - Albert Einstein 25:44 - Quantum gravity 29:56 - String theory 40:44 - Holographic principle 48:41 - De Sitter space 53:53 - Speed of light 1:00:40 - Black hole information paradox 1:08:20 - Soft particles 1:17:27 - Physics vs mathematics 1:26:37 - Theory of everything 1:41:58 - Time 1:44:24 - Photon rings 2:00:05 - Thought experiments 2:08:26 - Aliens 2:14:04 - Nuclear weapons SOCIAL:

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🎤 SPEAKERS

• Andrew Strominger

  guest

• Lex Fridman

  host

• Narrator

  other

🧾 EPISODE SUMMARY

In this episode of Lex Fridman Podcast, featuring Andrew Strominger and Lex Fridman, Andrew Strominger: Black Holes, Quantum Gravity, and Theoretical Physics | Lex Fridman Podcast #359 explores andrew Strominger explores black holes, holography, and quantum gravity’s puzzles Andrew Strominger and Lex Fridman discuss the nature of black holes from theoretical, experimental, and philosophical perspectives, focusing on how they store and reflect information. Strominger explains why unifying quantum mechanics and general relativity remains the central open problem in physics, highlighting string theory and the holographic principle as powerful but incomplete tools. They dive into Hawking’s information paradox, soft hair, photon rings, and how black hole imaging (like the Event Horizon Telescope) constrains theory. The conversation broadens to cosmology, dark energy, emergent space-time, the limits of math and physics, AI, and the ethical responsibilities of scientists.

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