Lex Fridman

AI Crisis in Math: Navier-Stokes, Riemann Hypothesis & Complexity Theory | Lex Fridman Podcast #503

921K views · 3d ago · 3:34:27

Ankur Moitra, Steven Brunton and Alex Kontorovich are three mathematicians who can speak to this incredible moment in the history of mathematics, when AI solved some of its hardest problems: Navier-Stokes, the quasi-Riemann hypothesis, the unique games conjecture and hundreds of other problems.

Topics: Crisis moment in mathematics · Will AI "solve" mathematics? · Can AI create new math? · Riemann hypothesis · Navier-Stokes · How nature computes

Taiwan: The Most Epic Night Market Experience w/ Jensen Huang | Lex Fridman

1.4M views · 2w ago · 1:30:18

Guest: Jensen Huang

I've been traveling the world a bit. One of the most incredible experiences was getting to visit Taiwan with Jensen Huang. It was wild Huge crowds, insanely good street food at night markets, and of course a lot of good conversations across many days. I caught some of it on video, this is it.

Topics: Highlights · Computex: crowds, engineers, tech, future of AI · Chat with Jensen: keynote prep & nerves · Chat with Jensen: Taiwan's tech history · Raohe night market · Chat with Jensen: memories from childhood

Psychiatry, Insane Asylums, Mental Illness, ECT, Lobotomies, Freud & Jung | Lex Fridman Podcast #502

1.2M views · 1mo ago · 3:36:56

Andrew Scull is a historian of psychiatry. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in Desperate Remedies (book) Madness in Civilization (book) Wispr Flow: AI-powered voice dictation app.

Topics: Crisis in Psychiatry · Categories of Mental Illness · Asylums, Eugenics, and the Nazis · The Ice Pick Lobotomy · Malaria "Cure" for Syphilis · Insulin Coma Therapy

DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501

2.3M views · 2mo ago · 5:15:51

DHH is the creator of Ruby on Rails, Omarchy Linux, CTO of 37signals, and a racecar driver. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in DHH's Blog Omarchy Ruby on Rails 37signals Wispr Flow: AI-powered voice dictation app.

Topics: Episode highlight · Programming with AI agents · How software will change · AI impact on open source · Building Omarchy Linux distro · Vibe coding vs agentic engineering

Khabib Nurmagomedov: Dagestan, MMA, UFC, Islam, Conor, Fedor & Football | Lex Fridman Podcast #500

2.2M views · 2mo ago · 3:12:58

Guest: Khabib Nurmagomedov

Khabib Nurmagomedov is one of the greatest fighters of all time, who retired from the UFC undefeated with a perfect 29-0 record. We did this conversation entirely in Russian. It's translated and dubbed into English. Both language audio tracks (and subtitles) are available here on YouTube. To switch between language audio tracks, click: Settings gear icon, then Audio track.

Topics: Why Dagestan produces so many great fighters · History of Dagestan warrior culture · Hard training in the mountains of Dagestan · The trap of fame, money, and power · The key to Khabib's dominance · Discipline and hard work

Gary Gallagher: American Civil War, Slavery, Lincoln, Grant & Lee | Lex Fridman Podcast #499

1.1M views · 3mo ago · 3:46:18

Guest: Gary Gallagher

Gary Gallagher is a historian of the American Civil War. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in Gary's UVA page Gary's Wikipedia The Confederate War (book) The Union War (book) Lee and His Generals in War and Memory (book) Causes Won, Lost, and Forgotten (book) The Myth of the Lost Cause and Civil War History (book) The Great Courses - The American Civil War

Topics: Episode highlight · What caused the Civil War? · Slavery · Lincoln · Grant vs Lee · Could the Civil War have been avoided?

The Rise and Fall of the Roman Empire and the Byzantine Empire | Lex Fridman Podcast #498

1.3M views · 4mo ago · 3:51:47

Anthony Kaldellis is a historian of the Roman Empire and author of "The New Roman Empire", a comprehensive history of the Byzantine Empire (Eastern Roman Empire). Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Episode highlight · The Roman Empire and the Byzantine Empire · 2,200 Years of Roman History · Power, violence, and civil war · Edict of Caracalla · Crisis of the Third Century

Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE - Don Lincoln | Lex Fridman Podcast #497

889K views · 5mo ago · 2:53:43

Don Lincoln is a particle physicist at Fermilab who has spent decades working at the frontiers of high energy physics. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in Don's YouTube Playlist

Topics: Unifying the laws of nature · Einstein, special relativity, and general relativity · Electroweak force · How particle colliders work · Higgs boson discovery · Theory of everything

FFmpeg: The Incredible Technology Behind Video on the Internet | Lex Fridman Podcast #496

363K views · 5mo ago · 4:18:22

Jean-Baptiste Kempf is lead developer of VLC and president of VideoLAN. Kieran Kunhya is a longtime FFmpeg contributor, codec engineer, and the person behind the now-infamous FFmpeg account on X. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Episode highlight · Weirdest things VLC opens · How video playback works · Video codecs and containers · FFmpeg explained · Linus Torvalds

Vikings, Ragnar, Berserkers, Valhalla & the Warriors of the Viking Age | Lex Fridman Podcast #495

1.4M views · 6mo ago · 2:03:24

Lars Brownworth is a historian, teacher, podcaster, and author specializing in Viking history, medieval Europe, and the Byzantine Empire. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Episode highlight · The start of the Viking Age · Viking military strategy, tactics & technology · Ragnar Lothbrok · The Great Heathen Army · Rollo and Normandy

Jensen Huang: NVIDIA - The $4 Trillion Company & the AI Revolution | Lex Fridman Podcast #494

1.4M views · 7mo ago · 2:25:59

Guest: Jensen Huang

Jensen Huang is the co-founder and CEO of NVIDIA, the world's most valuable company and the engine powering the AI computing revolution. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Extreme co-design and rack-scale engineering · How Jensen runs NVIDIA · AI scaling laws · Biggest blockers to AI scaling laws · Supply chain · Memory

Jeff Kaplan: World of Warcraft, Overwatch, Blizzard, and Future of Gaming | Lex Fridman Podcast #493

960K views · 7mo ago · 5:10:12

Guest: Jeff Kaplan

Jeff Kaplan is a legendary Blizzard lead game designer of World of Warcraft and Overwatch, now preparing to launch a new game, The Legend of California, from his new studio Kintsugiyama - available to wishlist on Steam today, with alpha later in March.

Topics: Episode highlight · Early games: Pac-Man, Zork, Doom, Quake · Writing career - 170 rejection letters · EverQuest obsession · Getting hired at Blizzard · Lowest point in Jeff's life

Rick Beato: Greatest Guitarists of All Time, History & Future of Music | Lex Fridman Podcast #492

510K views · 8mo ago · 2:33:48

Guest: Rick Beato

Rick Beato is a music educator, interviewer, producer, songwriter, and a true multi-instrument musician, playing guitar, bass, cello & piano. His incredible YouTube channel celebrates great musicians & musical ideas, and helps millions of people fall in love with great music all over again.

Topics: Guitar solos · Gypsy jazz and Django Reinhardt · Bebop jazz · Perfect pitch vs relative pitch · Learning to play guitar · Miles Davis

Khabib vs Lex: Training with Khabib | FULL EXCLUSIVE FOOTAGE

1M views · 8mo ago · 22:09

In this video I'm training with Khabib Nurmagomedov, one of the greatest fighters of all time and a great human being. This was truly an honor for me Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Training with Khabib Nurmagomedov · Lex training with Khabib - Round 1 · Khabib vs Glover Teixeira · Lex training with Khabib - Round 2 · Khabib training philosophy

OpenClaw: The Viral AI Agent that Broke the Internet - Peter Steinberger | Lex Fridman Podcast #491

1.3M views · 8mo ago · 3:15:52

Peter Steinberger is the creator of OpenClaw, an open-source AI agent framework that's the fastest-growing project in GitHub history. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in Peter's GitHub

Topics: Episode highlight · OpenClaw origin story · Mind-blowing moment · Why OpenClaw went viral · Self-modifying AI agent · Name-change drama

State of AI in 2026: LLMs, Coding, Scaling Laws, China, Agents, GPUs, AGI | Lex Fridman Podcast #490

940K views · 9mo ago · 4:25:13

Nathan Lambert and Sebastian Raschka are machine learning researchers, engineers, and educators. Nathan is the post-training lead at the Allen Institute for AI (Ai2) and the author of The RLHF Book. Sebastian Raschka is the author of Build a Large Language Model (From Scratch) and Build a Reasoning Model (From Scratch).

Topics: China vs US: Who wins the AI race? · ChatGPT vs Claude vs Gemini vs Grok: Who is winning? · Best AI for coding · Open Source vs Closed Source LLMs · Transformers: Evolution of LLMs since 2019 · AI Scaling Laws: Are they dead or still holding?

Paul Rosolie: Uncontacted Tribes in the Amazon Jungle | Lex Fridman Podcast #489

1.4M views · 9mo ago · 3:06:19

Guest: Paul Rosolie

Feedback - give feedback to Lex AMA - submit questions, videos or call-in Junglekeeper (new book) Mother of God (book) Perplexity: AI-powered answer engine. BetterHelp: Online therapy and counseling. LMNT: Zero-sugar electrolyte drink mix.

Topics: Episode highlight · Intense new encounter · Never-before-seen footage of tribe warriors · The mysteries of the jungle · Tribe's diet: Monkeys, turtles, and turtle eggs · Jane Goodall

Infinity, Paradoxes, Gödel Incompleteness & the Mathematical Multiverse | Lex Fridman Podcast #488

783K views · 10mo ago · 3:52:18

Joel David Hamkins is a mathematician and philosopher specializing in set theory, the foundations of mathematics, and the nature of infinity, and he's the #1 highest-rated user on MathOverflow. He is also the author of several books, including Proof and the Art of Mathematics and Lectures on the Philosophy of Mathematics. And he has a great blog called Infinitely More.

Topics: Infinity & paradoxes · Russell's paradox · Gödel's incompleteness theorems · Truth vs proof · The Halting Problem · Does infinity exist?

Deciphering Secrets of Ancient Civilizations, Noah's Ark, and Flood Myths | Lex Fridman Podcast #487

2.1M views · 10mo ago · 2:05:13

Irving Finkel is a scholar of ancient languages and a longtime curator at the British Museum, renowned for his expertise in Mesopotamian history and cuneiform writing. He specializes in reading and interpreting cuneiform inscriptions, including tablets from Sumerian, Akkadian, Babylonian, and Assyrian contexts.

Topics: Origins of human language · Cuneiform · Controversial theory about Göbekli Tepe · How to write and speak Cuneiform · Primitive human language · Development of writing systems

Michael Levin: Hidden Reality of Alien Intelligence & Biological Life | Lex Fridman Podcast #486

996K views · 11mo ago · 3:18:09

Guest: Michael Levin

Michael Levin is a biologist at Tufts University working on novel ways to understand and control complex pattern formation in biological systems. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Biological intelligence · Living vs non-living organisms · Origin of life · The search for alien life (on Earth) · Creating life in the lab - Xenobots and Anthrobots · Memories and ideas are living organisms

David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy | Lex Fridman Podcast #485

624K views · 11mo ago · 2:36:55

Guest: David Kirtley

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. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Nuclear fission vs fusion · Physics of E=mc^2 · Is nuclear fusion safe? · Chernobyl · Geopolitics · Extreme scenarios

Dan Houser: GTA, Red Dead Redemption, Rockstar, Absurd & Future of Gaming | Lex Fridman Podcast #484

2M views · 12mo ago · 2:45:26

Guest: Dan Houser

Dan Houser is co-founder of Rockstar Games and legendary creative mind behind Grand Theft Auto (GTA) and Red Dead Redemption series of video games. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: Episode highlight · Greatest films of all time · Making video games · GTA 3 · Open world video games · Character creation

Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex | Lex Fridman Podcast #483

431K views · 1y ago · 2:42:07

Guest: Julia Shaw

Julia Shaw is a criminal psychologist and author who in her books explores human nature, including psychopathy, violent crime, the psychology of evil, police interrogation, false memory manipulation, deception detection, and human sexuality.

Topics: Episode highlight · Dark Tetrad - Psychopathy, Narcissism, Machiavellianism, Sadism · Serial killers · Murder · Lies and scams · Jealousy

Pavel Durov: Telegram, Freedom, Censorship, Money, Power & Human Nature | Lex Fridman Podcast #482

3.2M views · 1y ago · 4:34:10

Guest: Pavel Durov

Pavel Durov is the founder and CEO of Telegram. Transcript EXTRA FILES FOR EPISODE If you need captions or videos with audio tracks for clips etc, go here HOW TO SWITCH BETWEEN LANGUAGES This episode is available in English, Russian, Ukrainian, French, Hindi. To switch between languages on the main episode YouTube video, click: Settings (Gear Icon) ... Audio Track ... Choose Language.

Topics: Philosophy of freedom · No alcohol · No phone · Discipline · Telegram: Lean philosophy, privacy, and geopolitics · Arrest in France

Norman Ohler: Hitler, Nazis, Drugs, WW2, Blitzkrieg, LSD, MKUltra & CIA | Lex Fridman Podcast #481

1.2M views · 1y ago · 4:25:45

Guest: Norman Ohler

Norman Ohler is a historian and author of "Blitzed: Drugs in the Third Reich," a book that investigates the role of psychoactive drugs, particularly stimulants such as methamphetamine, in the military history of World War II. It is a book that two legendary historians Ian Kershaw and Antony Beevor give very high praise to for its depth of research.

Topics: Episode highlight · Drugs in post-WWI Germany · Nazi rise to power · Hitler's drug use · Response to historian criticism · Pervitin

Dave Hone: T-Rex, Dinosaurs, Extinction, Evolution, and Jurassic Park | Lex Fridman Podcast #480

1.5M views · 1y ago · 3:36:26

Guest: Dave Hone

Dave Hone is a paleontologist, expert on dinosaurs, co-host of the Terrible Lizards podcast, and author of numerous scientific papers and books on the behavior and ecology of dinosaurs. He lectures at Queen Mary University of London on topics of Ecology, Zoology, Biology, and Evolution.

Topics: Episode highlight · T-Rex's size & biomechanics · T-Rex's hunting strategies · History of dinosaurs on Earth · $31.8 million T-Rex fossil · T-Rex's skull and bone-crushing bite force

Dave Plummer: Programming, Autism, and Old-School Microsoft Stories | Lex Fridman Podcast #479

285K views · 1y ago · 1:50:29

Guest: Dave Plummer

Dave Plummer is a programmer, former Microsoft software engineer (Windows 95, NT, XP), creator of Task Manager, author of two books on autism, and host of the Dave's Garage YouTube channel, where he shares stories from his career, insights on software development, and deep dives into technology.

Topics: First computer · Dropping out of high-school · Joining Microsoft · MS-DOS · Windows 95 · The man behind Windows

Scott Horton: The Case Against War and the Military Industrial Complex | Lex Fridman Podcast #478

792K views · 1y ago · 10:26:31

Guest: Scott Horton

Scott Horton is the director of the Libertarian Institute, editorial director of , host of The Scott Horton Show, co-host of Provoked, and for the past three decades a staunch critic of U.S. military interventionism. Feedback - give feedback to Lex AMA - submit questions, videos or call-in

Topics: From the Cold War to the War on Terror · Iraq War 1 · Bin Laden · Afghanistan War · Iraq War 2 · Military Industrial Complex

Keyu Jin: China's Economy, Tariffs, Trade, Trump, Communism & Capitalism | Lex Fridman Podcast #477

875K views · 1y ago · 1:49:30

Guest: Keyu Jin

Keyu Jin is an economist specializing in China's economy, international macroeconomics, global trade imbalances, and financial policy. She is the author of The New China Playbook: Beyond Socialism and Capitalism. Transcript

Topics: Misconceptions about China · Education in China · Economic reforms of Deng Xiaoping · Mayor economy and GDP growth race · Growing up in China · First time in the US

Jack Weatherford: Genghis Khan and the Mongol Empire | Lex Fridman Podcast #476

1.1M views · 1y ago · 4:30:02

Guest: Jack Weatherford

Jack Weatherford is an anthropologist and historian specializing in Genghis Khan and the Mongol Empire. Transcript Feedback - give feedback to Lex AMA - submit questions, videos or call-in Jack's Books Genghis Khan and the Making of the Modern World The Secret History of the Mongol Queens Genghis Khan and the Quest for God Emperor of the Seas: Kublai Khan and the Making of China

Topics: Origin story of Genghis Khan · Early battles & conquests · Power · Secret History · Mongolian steppe · Mounted archery and horse-riding