Show HN: I turned the Lex Fridman podcast archive into a browsable idea map

A developer created an interactive idea map of the Lex Fridman podcast archive, allowing users to browse 479 episodes by topic clusters and search by question. The map visualizes conversations as stars in a galaxy, with regions covering AI, cryptocurrency, philosophy, and more.

Discover The idea galaxy. Every conversation is a star, placed by what it is about. Ask a question to fly to the right region, hover to preview, or wander star to star. 479 episodes mapped. The idea galaxy Browse by region Explore the regions directly. The map, broken into its clusters of related conversations. Sam Altman 1h 55m OpenAI, GPT-5, Sora, Board Saga, Elon Musk, Ilya, Power & AGI 3 min read /episode/85 Francois Chollet 2h 34m Measures of Intelligence 3 min read /episode/380 Sam Altman 2h 24m OpenAI CEO on GPT-4, ChatGPT, and the Future of AI 3 min read /episode/136 Jay McClelland 2h 32m Neural Networks and the Emergence of Cognition 3 min read /episode/278 Demis Hassabis 2h 28m Future of AI, Simulating Reality, Physics and Video Games 3 min read /episode/54 Tommaso Poggio 1h 20m Brains, Minds, and Machines 3 min read /episode/484 Alex Garland 1h 11m Ex Machina, Devs, Annihilation, and the Poetry of Science 3 min read /episode/420 Lee Cronin 3h 19m Controversial Nature Paper on Evolution of Life and Universe 3 min read /episode/100 Brian Armstrong 2h 29m Coinbase, Cryptocurrency, and Government Regulation 3 min read /episode/194 Vitalik Buterin 3h 2m Ethereum 2.0 3 min read /episode/312 Balaji Srinivasan 7h 48m How to Fix Government, Twitter, Science, and the FDA 3 min read /episode/171 Saifedean Ammous 4h 15m Bitcoin, Anarchy, and Austrian Economics 3 min read /episode/217 Robert Breedlove 4h 4m Philosophy of Bitcoin from First Principles 3 min read /episode/324 Michael Saylor 3h 57m Bitcoin, Inflation, and the Future of Money 3 min read /episode/20 Sergey Nazarov 3h Chainlink, Smart Contracts, and Oracle Networks 3 min read /episode/319 Nick Carter 2h 27m Bitcoin Core Values, Layered Scaling, and Blocksize Debates 3 min read /episode/327 Josh Barnett 2h 12m Philosophy of Violence, Power, and the Martial Arts 3 min read /episode/335 Michael Malice 3h 41m Christmas Special 3 min read /episode/156 Kimbal Musk 1h 47m The Art of Cooking, Tesla, SpaceX, Zip2, and Family 3 min read /episode/87 Cenk Uygur 4h 10m Trump vs Harris, Progressive Politics, Communism & Capitalism 3 min read /episode/63 David Buss 3h 33m Sex, Dating, Relationships, and Sex Differences 3 min read /episode/219 Diana Walsh Pasulka 2h 55m Aliens, Technology, Religion & the Nature of Belief 3 min read /episode/351 Richard Wolff 2h 54m Marxism and Communism 3 min read /episode/206 Richard Wrangham 2h 35m Violence, Sex, and Fire in Human Evolution 3 min read /episode/271 Oliver Anthony 2h 19m Country Music, Blue-Collar America, Fame, Money, and Pain 3 min read /episode/23 Dan Reynolds 2h 12m Imagine Dragons 3 min read /episode/211 Eugenia Kuyda 3h 1m Friendship with an AI Companion 3 min read /episode/379 Susan Cain 2h The Power of Introverts and Loneliness 3 min read /episode/203 Kelsi Sheren 4h 6m War, Artillery, PTSD, and Love 3 min read /episode/270 Ryan Hall 3h 48m Martial Arts and the Philosophy of Violence, Power, and Grace 3 min read /episode/375 Matthew Johnson 3h 35m Psychedelics 3 min read /episode/355 Robert Rodriguez 3h 29m Sin City, Desperado, El Mariachi, Alita, and Filmmaking 3 min read /episode/45 Natalya Bailey 1h 35m Rocket Engines and Electric Spacecraft Propulsion 3 min read /episode/343 Elon Musk 8h 38m Neuralink and the Future of Humanity 3 min read /episode/66 Adam Frank 3h 27m Alien Civilizations and the Search for Extraterrestrial Life 3 min read /episode/30 Konstantin Batygin 2h 40m Planet 9 and the Edge of Our Solar System 3 min read /episode/299 Chris Mason 2h 55m Space Travel, Colonization, and Long-Term Survival in Space 3 min read /episode/218 Tim Urban 2h 37m Elon Musk, Neuralink, AI, Aliens, and the Future of Humanity 3 min read /episode/236 Elon Musk 2h 32m SpaceX, Mars, Tesla Autopilot, Self-Driving, Robotics, and AI 3 min read /episode/248 Demis Hassabis 2h 11m DeepMind - AI, Superintelligence & the Future of Humanity 3 min read /episode/202 Tim Urban 3h 7m Tribalism, Marxism, Liberalism, Social Justice, and Politics 3 min read /episode/143 Ryan Schiller 2h 27m Librex and the Free Exchange of Ideas on College Campuses 3 min read /episode/328 Harvey Silverglate 1h 51m Freedom of Speech 3 min read /episode/126 Bret Weinstein 3h 17m Truth, Science, and Censorship in the Time of a Pandemic 3 min read /episode/306 Randall Kennedy 3h 10m The N-Word - History of Race, Law, Politics, and Power 3 min read /episode/124 Greg Lukianoff 2h 32m Cancel Culture, Deplatforming, Censorship & Free Speech 3 min read /episode/107 Niall Ferguson 2h 41m History of Money, Power, War, and Truth 3 min read /episode/261 Eric Weinstein 2h 39m Difficult Conversations, Freedom of Speech, and Physics 3 min read /episode/337 Robert F. Kennedy Jr 2h 29m CIA, Power, Corruption, War, Freedom, and Meaning 3 min read /episode/116 Jack Barsky 3h 38m Jack Barsky: KGB Spy 3 min read /episode/200 Stephen Kotkin 2h 41m Putin, Stalin, Hitler, Zelenskyy, and War in Ukraine 3 min read /episode/212 Noam Chomsky 47m Putin, Ukraine, China, and Nuclear War 3 min read /episode/185 Pavel Durov 4h 34m Telegram, Freedom, Censorship, Money, Power & Human Nature 3 min read /episode/25 Bjørn Lomborg 4h 11m Bjørn Lomborg and Andrew Revkin 3 min read /episode/164 Tucker Carlson 3h 4m Putin, Navalny, Trump, CIA, NSA, War, Politics & Freedom 3 min read /episode/90 Ray Dalio 1h 33m Money, Power, and the Collapse of Empires 3 min read /episode/249 Vladimir Vapnik 54m Statistical Learning 3 min read /episode/492 Vladimir Vapnik 1h 45m Predicates, Invariants, and the Essence of Intelligence 3 min read /episode/426 Chris Lattner 3h 34m Future of Programming and AI 3 min read /episode/122 John Mearsheimer 3h 27m Israel-Palestine, Russia-Ukraine, China, NATO, and WW3 3 min read /episode/103 Peter Wang 2h 47m Python and the Source Code of Humans, Computers, and Reality 3 min read /episode/250 Donald Knuth 2h 21m Programming, Algorithms, Hard Problems & the Game of Life 3 min read /episode/281 Michael Mina 2h 14m Rapid Testing, Viruses, and the Engineering Mindset 3 min read /episode/354 Dmitry Korkin 2h 13m Evolution of Proteins, Viruses, Life, and AI 3 min read /episode/347 Simone Giertz 1h 59m Queen of Sh tty Robots, Innovative Engineering, and Design 3 min read /episode/131 Kate Darling 3h 4m Social Robots, Ethics, Privacy and the Future of MIT 3 min read /episode/173 Boris Sofman 3h 14m Waymo, Cozmo, Self-Driving Cars, and the Future of Robotics 3 min read /episode/259 Colin Angle 38m iRobot CEO 3 min read /episode/458 Anca Dragan 1h 39m Human-Robot Interaction and Reward Engineering 3 min read /episode/416 Pavel Durov 4h 34m Telegram, Freedom, Censorship, Money, Power & Human Nature 3 min read /episode/25 Wojciech Zaremba 2h 52m OpenAI Codex, GPT-3, Robotics, and the Future of AI 3 min read /episode/285 Martin Rees 2h 13m Black Holes, Alien Life, Dark Matter, and the Big Bang 3 min read /episode/196 David Pakman 3h 31m Politics of Trump, Biden, Bernie, AOC, Socialism & Wokeism 3 min read /episode/128 Jay Bhattacharya 2h 22m The Case Against Lockdowns 3 min read /episode/246 Michael Mina 1h 47m Rapid COVID Testing 3 min read /episode/265 Francis Collins 1h 27m National Institutes of Health NIH 3 min read /episode/262 Albert Bourla 1h 8m Pfizer CEO 3 min read /episode/251 Michael Malice 3h 21m Anarchy, Democracy, Libertarianism, Love, and Trolling 3 min read /episode/372 Vivek Ramaswamy 2h 40m Trump, Conservatism, Nationalism, Immigration, and War 3 min read /episode/39 Michael Mina 2h 14m Rapid Testing, Viruses, and the Engineering Mindset 3 min read /episode/354 Don Lincoln Antimatter, Dark Energy & ToE - Don Lincoln 3 min read /episode/498 Sean Carroll 2h 35m General Relativity, Quantum Mechanics, Black Holes & Aliens 3 min read /episode/76 Andrew Strominger 2h 20m Black Holes, Quantum Gravity, and Theoretical Physics 3 min read /episode/144 Peter Woit 2h 16m Theories of Everything & Why String Theory is Not Even Wrong 3 min read /episode/254 Kamran Vafa 2h 13m String Theory 3 min read /episode/296 Brian Greene 1h 46m Quantum Gravity, The Big Bang, Aliens, Death, and Meaning 3 min read /episode/268 Harry Cliff 1h 38m Particle Physics and the Large Hadron Collider 3 min read /episode/406 S. James Gates Jr. 1h 35m Supersymmetry, String Theory and Proving Einstein Right 3 min read /episode/437 Nathalie Cabrol 2h 6m Search for Alien Life 3 min read /episode/155 Mark Zuckerberg 2h Meta, Facebook, Instagram, and the Metaverse 3 min read /episode/233 Zev Weinstein 1h 45m The Next Generation of Big Ideas and Brave Minds 3 min read /episode/342 Christos Goudreau 1h 31m YouTube Algorithm 3 min read /episode/429 Duncan Trussell 3h 20m Comedy, Sentient Robots, Suffering, Love & Burning Man 3 min read /episode/189 Michael I. Jordan 1h 46m Machine Learning, Recommender Systems, and Future of AI 3 min read /episode/423 Magnus Carlsen 2h 32m Greatest Chess Player of All Time 3 min read /episode/186 Jaron Lanier 1h 52m Virtual Reality, Social Media & the Future of Humans and AI 3 min read /episode/282