#485 – David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy

#485 – David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy

David Kirtley is a nuclear fusion engineer and CEO of Helion Energy, a company working on building the world’s first commercial fusion power plant by 2028.
Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep485-sc
See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

Transcript:
https://lexfridman.com/david-kirtley-transcript

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EPISODE LINKS:
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David’s LinkedIn: https://bit.ly/4qX0KXp
Helion: https://www.helionenergy.com/
Helion’s YouTube: https://youtube.com/HelionEnergy

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OUTLINE:
(00:00) – Introduction
(03:00) – Sponsors, Comments, and Reflections
(11:35) – Nuclear fission vs fusion
(21:35) – Physics of E=mc^2
(26:50) – Is nuclear fusion safe?
(32:11) – Chernobyl
(38:38) – Geopolitics
(40:33) – Extreme scenarios
(47:28) – How nuclear fusion works
(1:20:20) – Extreme temperatures
(1:25:21) – Fusion control and simulation
(1:37:15) – Electricity from fusion
(2:11:20) – First fusion power plant in 2028
(2:18:13) – Energy needs of GPU clusters
(2:28:38) – Kardashev scale
(2:36:33) – Fermi Paradox

PODCAST LINKS:
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Episoder(486)

#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 Nov 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 Nov 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 Nov 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 Nov 20202h 36min

#138 – Yaron Brook: Ayn Rand and the Philosophy of Objectivism

#138 – Yaron Brook: Ayn Rand and the Philosophy of Objectivism

Yaron Brook is a objectivist philosopher, podcaster, and author. Please support this podcast by checking out our sponsors: – Blinkist: https://blinkist.com/lex and use code LEX to get 25% off premium – 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: Yaron’s Twitter: https://twitter.com/yaronbrook Yaron Brook Show (YouTube): https://www.youtube.com/user/ybrook Free Market Revolution (book): https://amzn.to/32H0oLb Equal is Unfair (book): https://amzn.to/32K3NsC 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 (06:28) – Principles of a life well lived (14:35) – Free will (20:50) – Nature of reality (29:28) – Ayn Rand (1:01:11) – Objectivism (1:26:29) – Godel Incompleteness Theorem (1:31:36) – Capitalism (2:01:22) – Virtue of selfishness (2:11:27) – Win-win (2:17:31) – Anarchy (2:36:24) – Tribalism and division (2:40:42) – Objectivism and Jordan Peterson on personal responsibility

13 Nov 20202h 53min

#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe

#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe

Alex Filippenko is an astrophysicist and professor of astronomy at Berkeley. Please support this podcast by checking out our sponsors: – Neuro: https://www.getneuro.com and use code LEX to get 15% off – BetterHelp: https://betterhelp.com/lex to get 10% off – MasterClass: https://masterclass.com/lex to get 15% off annual sub – Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Alex’s Website: https://astro.berkeley.edu/people/alex-filippenko/ 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 (06:36) – Universe expansion (08:00) – Dark energy (15:28) – Scientific revolutions (27:18) – Asteroid hitting Earth (30:50) – Giant solar flares and the power grid (37:50) – Elon Musk and space exploration (42:41) – Exoplanets (50:03) – Traveling close to the speed of light (52:13) – Traveling faster than the speed of light (1:00:39) – Intelligent life in the universe (1:04:14) – Fermi Paradox (1:13:52) – Finding alien life would be bad news (1:18:49) – UFO sightings (1:31:58) – Universe expansion speed (1:36:42) – The universe is infinite (1:40:58) – What happened before the Big Bang? (1:45:14) – Roger Penrose (1:48:48) – Nobel Prize for the accelerating universe (2:10:23) – Supernova (2:21:47) – The greatest story ever told (2:25:44) – Richard Feynman (2:32:37) – Meaning of life

8 Nov 20202h 40min

#136 – Dan Carlin: Hardcore History

#136 – Dan Carlin: Hardcore History

Dan Carlin is a historian, political thinker, and podcaster. Please support this podcast by checking out our sponsors: – Athletic Greens: https://athleticgreens.com/lex and use code LEX to get free vitamin D – SimpliSafe: https://simplisafe.com/lex and use code LEX to get a free security camera – Magic Spoon: https://magicspoon.com/lex and use code LEX to get free shipping – Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Dan’s Twitter: https://twitter.com/hardcorehistory Dan’s Website: https://www.dancarlin.com/ Hardcore History podcast: https://apple.co/2HX7hAA Common Sense podcast: https://apple.co/3mM6WPZ 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 (07:53) – Nature of evil (14:50) – Is violence and force fundamental to human civilization? (19:58) – Will we always have war? (29:38) – The Russian front in World War II (37:32) – Ideologies of the US, the Soviet Union, and China (50:15) – Putin (1:02:50) – Journalism is broken (1:10:16) – Genghis Khan (1:24:36) – Greatest leader in history (1:32:21) – Could Hitler have been stopped? (1:49:21) – Hitler’s Antisemitism (1:55:12) – Destructive power of evil (2:04:26) – Will human civilization destroy itself? (2:16:31) – Elon Musk, Tesla, SpaceX (2:24:53) – Steering around the iceberg – wow do we avoid collapse of society? (2:47:00) – Advice on podcasting (2:50:12) – Joe Rogan, Spotify, and the future of podcasting (3:05:19) – Future episodes of Hardcore History podcast (3:20:21) – Is Ben real? (3:21:05) – Meaning of life

3 Nov 20203h 26min

#135 – Charles Isbell: Computing, Interactive AI, and Race in America

#135 – Charles Isbell: Computing, Interactive AI, and Race in America

Charles Isbell is the Dean of the College of Computing at Georgia Tech. Please support this podcast by checking out our sponsors: – Neuro: https://www.getneuro.com and use code LEX to get 15% off – Decoding Digital: https://appdirect.com/decoding-digital – MasterClass: https://masterclass.com/lex to get 15% off annual sub – Cash App: https://cash.app/ and use code LexPodcast to get $10 EPISODE LINKS: Charles’s Twitter: https://twitter.com/isbellHFh Charles’s Website: https://www.cc.gatech.edu/~isbell/ 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 (07:16) – Top 3 movies of all time (13:26) – People are easily predictable (19:08) – Breaking out of our bubbles (30:54) – Interactive AI (37:26) – Lifelong machine learning (45:53) – Faculty hiring (53:27) – University rankings (1:00:55) – Science communicators (1:10:20) – Hip hop (1:19:20) – Funk (1:20:44) – Computing (1:36:35) – Race (1:52:40) – Cop story (2:01:01) – Racial tensions (2:10:23) – MLK vs Malcolm X (2:13:44) – Will human civilization destroy itself? (2:18:14) – Fear of death and the passing of time

2 Nov 20202h 28min

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