45 | Leonard Susskind on Quantum Information, Quantum Gravity, and Holography

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

Sean Carroll | Wondery

Society & Culture, Physics, Philosophy, Science, Ideas, Society

4.8 • 4.4K Ratings

🗓️ 6 May 2019

⏱️ 74 minutes

🔗️ Recording | iTunes | RSS

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Summary

For decades now physicists have been struggling to reconcile two great ideas from a century ago: general relativity and quantum mechanics. We don’t yet know the final answer, but the journey has taken us to some amazing places. A leader in this quest has been Leonard Susskind, who has helped illuminate some of the most mind-blowing ideas in quantum gravity: the holographic principle, the string theory landscape, black-hole complementarity, and others. He has also become celebrated as a writer, speaker, and expositor of mind-blowing ideas. We talk about black holes, quantum mechanics, and the most exciting new directions in quantum gravity. Support Mindscape on Patreon or Paypal. Leonard Susskind received his Ph.D. in physics from Cornell University. He is currently the Felix Bloch Professor of Physics at Stanford University. He has made important contributions to numerous ideas in theoretical physics, including string theory, lattice gauge theory, dynamical symmetry breaking, the holographic principle, black hole complementarity, matrix theory, the cosmological multiverse, and quantum information. He is the author of several books, including a series of pedagogical physics texts called The Theoretical Minimum. Among his numerous awards are the J.J. Sakurai Prize and the Oskar Klein Medal. Web page Theoretical Minimum page Susskind Lectures on YouTube TED Talk about Richard Feynman Publications at Inspire Amazon author page Wikipedia See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcript

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0:00.0	Hello everyone and welcome to the Mindscape Podcast.
0:03.0	I'm your host Sean Carroll and today's episode I think it's safe to say is one that has
0:07.5	been anticipated for quite a while by a lot of people out there in Mindscape land.
0:12.9	Now usually I'm an ornery guy and a bunch of people demand that I do this or that, I
0:18.2	sort of resist doing this or that for exactly that reason.
0:21.2	But in this case the wisdom of the crowd was absolutely on the right track.
0:24.6	So we're very happy to have Lenny Suskind on the podcast to those of you who are physics
0:29.6	fans. Lenny is very well known for his technical work, for his popular work, for his semi-technical
0:36.2	books, the theoretical minimum.
0:38.5	And within the physics community, extremely well known as a storyteller, a mentor, and
0:44.0	a guiding visionary of the field.
0:46.4	For those of you who don't know him, you're in for a treat.
0:49.7	Both the personality that comes through very clearly and also the subjects that we're
0:53.9	going to talk about.
0:55.2	Lenny was one of the founding fathers of string theory.
0:58.7	He has done an enormous amount of work in quantum field theory and the standard model.
1:03.6	But today at the age of 78, he is leading the charge to understand the black hole information
1:08.8	loss paradox.
1:10.5	This is the thing that Stephen Hawking bequeathed to us in the 1970s when he realized the black
1:15.3	holes give off radiation.
1:17.4	And if you throw information into a black hole, how does that information come back out
1:22.4	in the radiation?
	...

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