Sean Carroll: Quantum Mechanics and the Many-Worlds Interpretation
Lex Fridman Podcast1 Marras 2019

Sean Carroll: Quantum Mechanics and the Many-Worlds Interpretation

Sean Carroll is a theoretical physicist at Caltech and Santa Fe Institute specializing in quantum mechanics, arrow of time, cosmology, and gravitation. He is the author of Something Deeply Hidden and several popular books and he is the host of a great podcast called Mindscape. This is the second time Sean has been on the podcast. You can watch the first time on YouTube or listen to the first time on its episode page. 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 or support it on Patreon. Here's the outline with timestamps for this episode (on some players you can click on the timestamp to jump to that point in the episode): 00:00 - Introduction 01:23 - Capacity of human mind to understand physics 10:49 - Perception vs reality 12:29 - Conservation of momentum 17:20 - Difference between math and physics 20:10 - Why is our world so compressable 22:53 - What would Newton think of quantum mechanics 25:44 - What is quantum mechanics? 27:54 - What is an atom? 30:34 - What is the wave function? 32:30 - What is quantum entanglement? 35:19 - What is Hilbert space? 37:32 - What is entropy? 39:31 - Infinity 42:43 - Many-worlds interpretation of quantum mechanics 1:01:13 - Quantum gravity and the emergence of spacetime 1:08:34 - Our branch of reality in many-worlds interpretation 1:10:40 - Time travel 1:12:54 - Arrow of time 1:16:18 - What is fundamental in physics 1:16:58 - Quantum computers 1:17:42 - Experimental validation of many-worlds and emergent spacetime 1:19:53 - Quantum mechanics and the human mind 1:21:51 - Mindscape podcast

Jaksot(482)

#146 – Michael Mina: Rapid Testing, Viruses, and the Engineering Mindset

#146 – Michael Mina: Rapid Testing, Viruses, and the Engineering Mindset

Michael Mina is an immunologist, epidemiologist, and physician at Harvard. Please support this podcast by checking out our sponsors: - Brave: https://brave.com/lex - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Michael's Twitter: https://twitter.com/michaelmina_lab Michael's Time article: https://time.com/5912705/covid-19-stop-spread-christmas/ Rapid Tests: https://www.rapidtests.org/ 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/LexFridmanPage - 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 (07:28) - Interacting between viruses and bacteria (11:42) - Deadlier viruses (15:13) - Will COVID-19 mutate? (16:47) - Rapid testing (34:11) - PCR vs rapid antigen tests (43:55) - Medical industrial complex (47:47) - Lex takes COVID test (54:32) - FDA and cheap tests (57:17) - Explanation of Elon Musk's positive COVID tests (1:04:25) - Role of testing during vaccine deployment (1:07:54) - Public health policy (1:17:34) - A weather system for viruses (1:34:26) - Can a virus kill all humans? (1:40:05) - Engineering a deadly virus (1:44:47) - AlphaFold 2 and viruses (1:50:42) - Advice for young people (1:58:50) - Time as a Buddhist monk (2:04:54) - Meditation (2:12:32) - Meaning of life

19 Joulu 20202h 19min

#145 – Matthew Johnson: Psychedelics

#145 – Matthew Johnson: Psychedelics

Matthew W. Johnson is a professor and psychedelics researcher at Johns Hopkins. Please support this podcast by checking out our sponsors: - Brave: https://brave.com/lex - Neuro: https://www.getneuro.com and use code LEX to get 15% off - Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off - Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Matt's Twitter: https://twitter.com/Drug_Researcher Matt's Website: https://www.hopkinsmedicine.org/profiles/results/directory/profile/0800020/matthew-johnson Study Website: https://hopkinspsychedelic.org/ 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/LexFridmanPage - 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 (06:31) - Introduction to psychedelics (22:33) - Psychedelics expand the mind (25:44) - The priors we bring to the psychedelic experience (29:40) - Elon Musk and first principles thinking (40:10) - DMT (51:32) - Joe Rogan and DMT (57:40) - The nature of drug addiction (1:11:29) - The economics of drug pricing (1:17:44) - Should we legalize all drugs? (1:29:46) - What is the most dangerous drug? (1:32:20) - Does drug prohibition work? (1:36:14) - Cocaine and sex (1:43:15) - Risky sexual decisions (1:54:12) - Psilocybin helping people quit smoking (2:00:30) - Young Jamie (2:22:38) - Participating in a study (2:29:57) - Psychedelics and the human mind (2:37:20) - The future of psychedelics (2:40:01) - Neuralink (2:49:33) - Consciousness (3:02:15) - Panpsychism (3:12:20) - Aliens and DMT (3:22:24) - Mortality (3:32:12) - Meaning of life

14 Joulu 20203h 39min

#144 – Michael Littman: Reinforcement Learning and the Future of AI

#144 – Michael Littman: Reinforcement Learning and the Future of AI

Michael Littman is a computer scientist at Brown University. Please support this podcast by checking out our sponsors: - SimpliSafe: https://simplisafe.com/lex and use code LEX to get a free security camera - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - MasterClass: https://masterclass.com/lex to get 2 for price of 1 - BetterHelp: https://betterhelp.com/lex to get 10% off EPISODE LINKS: Michael's Twitter: https://twitter.com/mlittmancs Michael's Website: https://www.littmania.com/ Michael's YouTube: https://www.youtube.com/user/mlittman 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/LexFridmanPage - 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 (07:43) - Robot and Frank (10:02) - Music (13:13) - Starring in a TurboTax commercial (23:26) - Existential risks of AI (41:48) - Reinforcement learning (1:07:36) - AlphaGo and David Silver (1:17:15) - Will neural networks achieve AGI? (1:29:42) - Bitter Lesson (1:42:32) - Does driving require a theory of mind? (1:51:58) - Book Recommendations (1:57:20) - Meaning of life

13 Joulu 20202h 1min

#143 – John Clarke: The Art of Fighting and the Pursuit of Excellence

#143 – John Clarke: The Art of Fighting and the Pursuit of Excellence

John Clarke is a BJJ black belt and MMA coach. Please support this podcast by checking out our sponsors: - Theragun: https://theragun.com/lex to get 30 day trial - Magic Spoon: https://magicspoon.com/lex and use code LEX to get free shipping - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get $200 off - Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Broadway Jiu Jitsu website: https://www.broadwayjiujitsu.com Broadway Jiu Jitsu instagram: https://www.instagram.com/broadwayjiujitsu Please, Allow Me podcast: https://podcasts.apple.com/us/podcast/please-allow-me/id1531735873 Please, Allow Me instagram: https://www.instagram.com/please_allow_me_podcast/ 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/LexFridmanPage - 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 (08:25) - The great American road trip (25:54) - Martial arts and philosophy (28:55) - Real vs fake success on Instagram (39:40) - The brutal honesty of Mike Tyson (44:26) - Breaking your opponent in wrestling (52:32) - Genghis Khan (1:03:38) - It's okay to change your mind (1:08:15) - Why do politicians become inauthentic (1:14:52) - Greatness requires sacrifice (1:17:36) - Whiplash (1:25:44) - Relationships (1:31:21) - Greatest fighters of all time (1:39:02) - Greatest fight of all time (1:53:25) - Khabib Nurmagomedov (1:55:13) - Can Conor McGregor beat Khabib Nurmagomedov? (2:09:29) - Conor vs Khabib 2 (2:16:05) - Will there always be war? (2:17:41) - Future of civilization (2:19:52) - Kids (2:26:37) - The meaning of a "like" on social media (2:35:34) - Starting a podcast (2:54:16) - Book recommendations (2:57:46) - Keeping the independence of solitude

6 Joulu 20203h

#142 – Manolis Kellis: Meaning of Life, the Universe, and Everything

#142 – Manolis Kellis: Meaning of Life, the Universe, and Everything

Manolis Kellis is a computational biologist at MIT. Please support this podcast by checking out our sponsors: - Grammarly: https://grammarly.com/lex to get 20% off premium - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Manolis Website: http://web.mit.edu/manoli/ Manolis Twitter: https://twitter.com/manoliskellis Manolis YouTube: https://www.youtube.com/channel/UCkKlJ5LHrE3C7fgbnPA5DGA 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/LexFridmanPage - 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) - Music and life (46:21) - The number 42 (52:22) - The question about the meaning of life (55:02) - Are humans unique in the universe? (1:00:46) - Human civilization (1:12:52) - Mars (1:14:45) - Human mind and the abstraction layers of reality (1:25:38) - Neural networks and intelligence (1:32:55) - Ideas as organisms (1:42:19) - Language (1:53:34) - Legacy (2:08:25) - Poems SONGS MENTIONED: [1] Dwros Gewrgiadis - An imoun plousios https://www.youtube.com/watch?v=7akZoEQv6jI [2] Grigoris Bithikotsis - Ftoxologia https://www.youtube.com/watch?v=TyGR24O0KQ8 [3] Sto perigiali to kryfo https://www.youtube.com/watch?v=B-GBPx_GXQw [4] Michael Jackson - Man in the Mirror https://www.youtube.com/watch?v=Zqe5NP86OCc [5] George Michael - Careless Whisper https://www.youtube.com/watch?v=izGwDsrQ1eQ [6] Gainsbourg with Isabelle Adjani - Pull Marine https://www.youtube.com/watch?v=o7MwHGHWgLk [7] Georges Moustaki - Le meteque https://www.youtube.com/watch?v=MV8fGf-N06A [8] Jacques Brel - Ne me quitte pas https://www.youtube.com/watch?v=q_bq5mStroM [9] Sting - Englishman In New York https://www.youtube.com/watch?v=d27gTrPPAyk [10] Sting - Fragile https://www.youtube.com/watch?v=lB6a-iD6ZOY [11] Pink Floyd - The Wall (When the Tigers Broke Free) https://www.youtube.com/watch?v=l9b9UhFe6Eg [12] Pink Floyd - The Wall (One Of My Turns) https://www.youtube.com/watch?v=BOay-7aqLks [13] Sting - Russians https://www.youtube.com/watch?v=wHylQRVN2Qs [14] Joni Mitchell - Both sides now https://www.youtube.com/watch?v=aCnf46boC3I [15] Leonard Cohen - I'm Your Man https://www.youtube.com/watch?v=yOnXe8ttmjY [16] Alison Krauss & Union Station - The Lucky One https://www.youtube.com/watch?v=jcRZ_J_VgNc

30 Marras 20200s

#141 – Erik Brynjolfsson: Economics of AI, Social Networks, and Technology

#141 – Erik Brynjolfsson: Economics of AI, Social Networks, and Technology

Erik Brynjolfsson is an economist at Stanford. Please support this podcast by checking out our sponsors: - Vincero: https://vincerowatches.com/lex to get up to 25% off + free shipping - Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off - ExpressVPN: https://expressvpn.com/lexpod and use code LexPod to get 3 months free - Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Erik's Twitter: https://twitter.com/erikbryn Erik's Website: https://www.brynjolfsson.com/ The Second Machine Age (book): https://amzn.to/33f1Pk2 Machine, Platform, Crowd (book): https://amzn.to/3miJZ76 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/LexFridmanPage - 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 (08:23) - Exponential growth (12:51) - Elon Musk exponential thinking (15:08) - Moore's law is a series of revolutions (20:31) - GPT-3 (22:09) - Autonomous vehicles (29:11) - Electricity (33:40) - Productivity (38:47) - Why is Twitter and Facebook free? (49:03) - Dismantling the nature of truth (52:24) - Nutpicking and Cancel Culture (58:39) - How will AI change our world (1:04:40) - Existential threats (1:06:33) - AI and the nature of work (1:12:39) - Thoughts on Andrew Yang and UBI (1:18:30) - Economics of innovation (1:24:37) - Effect of COVID on the economy (1:33:50) - MIT and Stanford (1:38:23) - Book recommendations (1:41:28) - Meaning of life

25 Marras 20201h 45min

#140 – Lisa Feldman Barrett: Love, Evolution, and the Human Brain

#140 – Lisa Feldman Barrett: Love, Evolution, and the Human Brain

Lisa Feldman Barrett is a neuroscientist, psychologist, and author. Please support this podcast by checking out our sponsors: - Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get $200 off - MasterClass: https://masterclass.com/lex to get 15% off annual sub - BetterHelp: https://betterhelp.com/lex to get 10% off EPISODE LINKS: Seven and a Half Lessons About the Brain (book): https://amzn.to/2Sp5ar9 How Emotions Are Made (book): https://amzn.to/2GwAFg6 Lisa's Twitter: https://twitter.com/LFeldmanBarrett Lisa's Website: https://lisafeldmanbarrett.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/LexFridmanPage - 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 (07:27) - Falling in love (25:10) - Love at first sight (39:49) - Romantic (43:48) - Writing process (54:32) - Evolution of the human brain (1:08:41) - Nature of evil (1:17:23) - Love is an evolutionary advantage (1:21:59) - Variation in species (1:27:41) - Does evolution have a direction? (1:45:19) - Love with an inanimate object (1:49:37) - Just be yourself is confusing advice (1:59:49) - Consciousness (2:06:26) - Book recommendations

20 Marras 20202h 21min

#139 – Andrew Huberman: Neuroscience of Optimal Performance

#139 – Andrew Huberman: Neuroscience of Optimal Performance

Andrew Huberman is a neuroscientist at Stanford. Please support this podcast by checking out our sponsors: - Eight Sleep: https://www.eightsleep.com/lex and use code LEX to get $200 off - SEMrush: https://www.semrush.com/partner/lex/ to get a free month of Guru - Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Andrew's Instagram: https://www.instagram.com/hubermanlab Andrew's Wikipedia: https://en.wikipedia.org/wiki/Andrew_D._Huberman Andrew's Website: http://www.hubermanlab.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/LexFridmanPage - 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 (06:24) - Fear (14:36) - Virtual reality (18:20) - Claustrophobia (20:08) - Skydiving (21:43) - Overcoming fears (26:43) - Optimal performance (29:57) - Deep work (45:22) - Psychedelics (49:08) - Deep work (1:02:48) - Everything in the brain is an abstraction (1:10:06) - Human vision system (1:21:42) - Neuralink (1:49:12) - Science of consciousness (2:04:00) - David Goggins (2:21:04) - Science communication (2:28:36) - Man's Search for Meaning

16 Marras 20202h 36min

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