#79 – Lee Smolin: Quantum Gravity and Einstein’s Unfinished Revolution
Lex Fridman Podcast7 Maalis 2020

#79 – Lee Smolin: Quantum Gravity and Einstein’s Unfinished Revolution

Lee Smolin is a theoretical physicist, co-inventor of loop quantum gravity, and a contributor of many interesting ideas to cosmology, quantum field theory, the foundations of quantum mechanics, theoretical biology, and the philosophy of science. He is the author of several books including one that critiques the state of physics and string theory called The Trouble with Physics, and his latest book, Einstein's Unfinished Revolution: The Search for What Lies Beyond the Quantum. EPISODE LINKS: Books mentioned: - Einstein's Unfinished Revolution by Lee Smolin: https://amzn.to/2TsF5c3 - The Trouble With Physics by Lee Smolin: https://amzn.to/2v1FMzy - Against Method by Paul Feyerabend: https://amzn.to/2VOPXCD This conversation is part of the Artificial Intelligence podcast. If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter, LinkedIn, Facebook, Medium, or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts, follow on Spotify, or support it on Patreon. This episode is presented by Cash App. Download it (App Store, Google Play), use code "LexPodcast". Here's the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time. OUTLINE: 00:00 - Introduction 03:03 - What is real? 05:03 - Scientific method and scientific progress 24:57 - Eric Weinstein and radical ideas in science 29:32 - Quantum mechanics and general relativity 47:24 - Sean Carroll and many-worlds interpretation of quantum mechanics 55:33 - Principles in science 57:24 - String theory

Jaksot(486)

#229 – Richard Wrangham: Role of Violence, Sex, and Fire in Human Evolution

#229 – Richard Wrangham: Role of Violence, Sex, and Fire in Human Evolution

Richard Wrangham is a biological anthropologist at Harvard, specializing in the study of primates and the evolution of violence, sex, cooking, culture, and other aspects of ape and human behavior. Please support this podcast by checking out our sponsors: - ROKA: https://roka.com/ and use code LEX to get 20% off your first order - Theragun: https://therabody.com/lex to get 30 day trial - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - NI: https://www.ni.com/perspectives - Grammarly: https://grammarly.com/lex to get 20% off premium EPISODE LINKS: Richard's Website: https://heb.fas.harvard.edu/people/richard-w-wrangham The Goodness Paradox (book): https://amzn.to/3aqg9tg Catching Fire (book): https://amzn.to/3FAZAcz 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 (08:13) - Violence in humans vs violence in chimps (27:45) - Study of violence in chimps (46:40) - Human evolution and violence (1:43:08) - The Goodness Paradox and Catching Fire (1:55:26) - How cooking changed our evolution (2:10:11) - The beauty of the human mind emerges (2:14:18) - A map of how chimps, gorillas, and humans are all related (2:26:50) - Preserving nature (2:34:41) - The meaning of life

10 Loka 20210s

#228 – RZA: Wu-Tang Clan, Kung Fu, Chess, God, Life, and Death

#228 – RZA: Wu-Tang Clan, Kung Fu, Chess, God, Life, and Death

RZA is a rapper, record producer, filmmaker, actor, writer, philosopher, and the mastermind of the legendary hip hop group Wu-Tang Clan. Please support this podcast by checking out our sponsors: - ROKA: https://roka.com/ and use code LEX to get 20% off your first order - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - SimpliSafe: https://simplisafe.com/lex and use code LEX to get a free security camera - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get special savings - BetterHelp: https://betterhelp.com/lex to get 10% off EPISODE LINKS: RZA's Twitter: https://twitter.com/RZA RZA's Instagram: https://www.instagram.com/rza Wu-Tang Clan Website: https://wutangclan.net 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 (06:57) - Life and death (14:16) - Quincy Jones (19:39) - Quentin Tarantino (23:05) - Kung Fu (28:01) - Biggie (29:48) - Tupac (32:45) - Nas (35:48) - Favorite verse (39:46) - Who is God? (44:56) - Wu-Tang Clan (48:49) - Bruce Lee (55:40) - Godfather (1:01:36) - Veganism (1:06:27) - AI (1:10:41) - Chess (1:14:00) - American Gangster (1:19:55) - Creativity (1:26:24) - Advice for young people (1:29:47) - Meaning of life

5 Loka 20210s

#227 – Sean Kelly: Existentialism, Nihilism, and the Search for Meaning

#227 – Sean Kelly: Existentialism, Nihilism, and the Search for Meaning

Sean Kelly is a philosopher at Harvard specializing in existentialism and the philosophy of mind. Please support this podcast by checking out our sponsors: - Coinbase: https://coinbase.com/lex to get $5 in free Bitcoin - InsideTracker: https://insidetracker.com/lex and use code Lex25 to get 25% off - NetSuite: http://netsuite.com/lex to get free product tour - Ladder: https://ladderlife.com/lex - Sunbasket: https://sunbasket.com/lex and use code LEX to get $35 off EPISODE LINKS: Sean's Twitter: https://twitter.com/sean_d_kelly Sean's Website: https://scholar.harvard.edu/sdkelly Sean's Wiki: https://en.wikipedia.org/wiki/Sean_Dorrance_Kelly 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 (06:50) - Existentialism (26:58) - Nietzsche and nihilism (44:35) - Dostoevsky (1:00:02) - Camus and suicide (1:18:31) - The Big Lebowski (1:26:20) - Ayn Rand (1:36:28) - Evil (1:47:03) - Heidegger (1:58:43) - Hubert Dreyfus (2:04:35) - Moby Dick (2:15:51) - David Foster Wallace (2:36:03) - Can AI make art? (2:55:46) - Meaning of life

30 Syys 20210s

#226 – Jo Boaler: How to Learn Math

#226 – Jo Boaler: How to Learn Math

Jo Boaler is a professor of mathematics education at Stanford and the co-founder of youcubed. Please support this podcast by checking out our sponsors: - Truebill: https://truebill.com/lex - Fundrise: https://fundrise.com/lex - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - Indeed: https://indeed.com/lex to get $75 credit - Stamps.com: https://stamps.com and use code LEX to get free postage & scale EPISODE LINKS: Jo's Twitter: https://twitter.com/joboaler youcubed: https://www.youcubed.org/ Jo's Books: https://amzn.to/2Y3S2xW Elastic by Leonard Mlodinow: https://amz.run/4tCk Deep Work by Cal Newport: https://amz.run/4tCl 3Blue1Brown: https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw Manim: https://github.com/3b1b/manim 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 (06:48) - What is beautiful about mathematics? (15:37) - How difficult should math really be? (23:56) - Students giving up on math (35:17) - Improving math education in schools (45:14) - Inspiring mathematical creativity (1:03:00) - youcubed (1:07:20) - Best methods for studying math (1:27:54) - Advice for young people

27 Syys 20210s

#225 – Jeffrey Shainline: Neuromorphic Computing and Optoelectronic Intelligence

#225 – Jeffrey Shainline: Neuromorphic Computing and Optoelectronic Intelligence

Jeffrey Shainline is a physicist at NIST working on. Note: Opinions expressed by Jeff do not represent NIST. Please support this podcast by checking out our sponsors: - Stripe: https://stripe.com - Codecademy: https://codecademy.com and use code LEX to get 15% off - Linode: https://linode.com/lex to get $100 free credit - BetterHelp: https://betterhelp.com/lex to get 10% off EPISODE LINKS: Jeff's Website: http://www.shainline.net Jeff's Google Scholar: https://scholar.google.com/citations?user=rnHpY3YAAAAJ Jeff's NIST Page: https://www.nist.gov/people/jeff-shainline 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 (05:56) - How are processors made? (25:15) - Are engineers or physicists more important (27:43) - Super-conductivity (43:31) - Computation (48:07) - Computation vs communication (51:48) - Electrons for computation and light for communication (1:02:32) - Neuromorphic computing (1:27:23) - What is NIST? (1:30:41) - Implementing super-conductivity (1:38:20) - The future of neuromorphic computing (1:57:54) - Loop neurons (2:04:09) - Machine learning (2:18:36) - Cosmological evolution (2:25:44) - Cosmological natural selection (2:43:05) - Life in the universe (2:50:52) - The rare Earth hypothesis

26 Syys 20210s

#224 – Travis Oliphant: NumPy, SciPy, Anaconda, Python & Scientific Programming

#224 – Travis Oliphant: NumPy, SciPy, Anaconda, Python & Scientific Programming

Travis Oliphant is a data scientist, entrepreneur, and creator of NumPy, SciPy, and Anaconda. Please support this podcast by checking out our sponsors: - Novo: https://banknovo.com/lex - Allform: https://allform.com/lex to get 20% off - Onnit: https://lexfridman.com/onnit to get up to 10% off - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - Blinkist: https://blinkist.com/lex and use code LEX to get 25% off premium EPISODE LINKS: Travis's Twitter: https://twitter.com/teoliphant Travis's Wiki Page: https://en.wikipedia.org/wiki/Travis_Oliphant NumPy: https://numpy.org/ SciPy: https://scipy.org/about.html Anaconda: https://www.anaconda.com/products/individual Quansight: https://www.quansight.com 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 (07:06) - Early programming (28:47) - SciPy (45:41) - Open source (57:23) - NumPy (1:34:39) - Guido van Rossum (1:46:57) - Efficiency (1:55:49) - Objects (2:02:47) - Numba (2:11:53) - Anaconda (2:16:20) - Conda (2:31:56) - Quansight Labs (2:35:32) - OpenTeams (2:43:05) - GitHub (2:48:35) - Marketing (2:53:13) - Great programming (3:04:03) - Hiring (3:08:01) - Advice for young people

23 Syys 20210s

#223 – Travis Stevens: Judo, Olympics, and Mental Toughness

#223 – Travis Stevens: Judo, Olympics, and Mental Toughness

Travis Stevens is the 2016 Olympic Judo silver medalist and BJJ black belt. Please support this podcast by checking out our sponsors: - Justworks: https://justworks.com - Indeed: https://indeed.com/lex to get $75 credit - MasterClass: https://masterclass.com/lex to get 15% off - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get special savings EPISODE LINKS: Travis's Website: https://www.travisstevensgrappling.com/ Travis's Twitter: https://twitter.com/judosilencer Travis's Youtube Channel: https://www.youtube.com/c/TravisStevensgrappling Travis's Instagram: https://www.instagram.com/judosilencer 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 (10:08) - What is Judo? (17:55) - Travis's signature throw (23:20) - Fundamentals (25:12) - Throws (38:04) - Gripping (46:37) - Weight cutting (1:15:50) - Injuries (1:19:50) - Jiu-Jitsu (1:23:33) - Lex on his judo competition experience (1:26:58) - Levels of mastery (1:40:09) - Matches (1:54:10) - Travis inspired Lex to practice judo (2:00:24) - London 2012 Olympic games (2:42:01) - 2016 Olympic games (3:16:24) - Mixed team competition (3:23:50) - The value of epic throws (3:27:17) - Shohei Ono (3:33:39) - Chess (3:38:42) - The coach (3:45:18) - Advice for young people

21 Syys 20210s

#222 – Jay McClelland: Neural Networks and the Emergence of Cognition

#222 – Jay McClelland: Neural Networks and the Emergence of Cognition

Jay McClelland is a cognitive scientist at Stanford. Please support this podcast by checking out our sponsors: - Paperspace: https://gradient.run/lex to get $15 credit - Skiff: https://skiff.org/lex to get early access - Uprising Food: https://uprisingfood.com/lex to get $10 off 1st starter bundle - Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off - Onnit: https://lexfridman.com/onnit to get up to 10% off EPISODE LINKS: Jay's Website: https://stanford.edu/~jlmcc/ 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 (07:12) - Beauty in neural networks (11:31) - Darwin and evolution (17:16) - The origin of intelligence (23:58) - Explorations in cognition (30:02) - Learning representations by back-propagating errors (36:27) - Dave Rumelhart and cognitive modeling (49:30) - Connectionism (1:12:23) - Geoffrey Hinton (1:14:19) - Learning in a neural network (1:31:11) - Mathematics & reality (1:38:19) - Modeling intelligence (1:48:57) - Noam Chomsky and linguistic cognition (2:03:18) - Advice for young people (2:14:26) - Psychiatry and exploring the mind (2:27:04) - Legacy (2:32:53) - Meaning of life

20 Syys 20210s

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