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Here's my conversation with Dave Plummer (Dave W Plummer), programmer, former Microsoft engineer (Windows 95, NT, XP), creator of Task Manager, author of two books on autism, and host of the much-loved Dave's Garage YouTube channel. It's here on X in full and is up everywhere else (see comment)....

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Lex Fridman

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757,493 views • 9 months ago •via X (Twitter)

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Here's my conversation with ThePrimeagen, a programmer who has educated, entertained, and inspired millions of people to build software and have fun doing it. It's here on X in full, and is up everywhere else too (see comment). Timestamps: 0:00 - Introduction 0:42 - Love for programming 10:15 - Hardest part of programming 12:31 - Types of programming 20:08 - Life story 30:12 - Hardship 31:44 - High school 37:30 - Porn addiction 47:16 - God 1:02:59 - Perseverance 1:12:55 - Netflix 1:25:23 - Groovy 1:30:27 - Printf() debugging 1:36:49 - Falcor 1:46:19 - Breaking production 1:49:04 - Pieter Levels 1:53:34 - Netflix, Twitch, and YouTube infrastructure 2:05:36 - ThePrimeagen origin story 2:20:52 - Learning programming languages 2:29:55 - Best programming languages in 2025 2:34:50 - Python 2:35:30 - HTML & CSS 2:36:20 - Bash 2:37:00 - FFmpeg 2:43:42 - Performance 2:46:15 - Rust 2:51:03 - Epic projects 3:04:27 - Asserts 3:13:41 - ADHD 3:21:49 - Productivity 3:26:13 - Programming setup 4:01:43 - Coffee 4:08:47 - Programming with AI 4:51:31 - Advice for young programmers 5:03:03 - Reddit questions 5:10:35 - God
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1,134,631 views • 1 year ago

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1,260,683 views • 1 year ago

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1,438,144 views • 2 years ago

👹 Boogey Man 👹 Extended Full Mixtape Timestamps, Family Ties - 0:00 Talk to me - 4:11 I’m Better - 5:37 Make Me Happy - 7:22 Bitchface - 11:03 Lack Of Better Words - 14:02 Like That - 15:54 Euphoria- 20:24 6 : 16 in L.A. - 26:47 Meet The Grahams - 30:33 Not Like Us - 37:05 Real One - 41:38 Jump - 42:42 Don’t Jump - 46:56 Somebody - 48:14 New Couple Alert - 50:45 Handsome - 53:22 One Of You - 56:58 Want U 2 Want - 59:26 Sexy Pause - 1:02:58 Pure - 1:05:53 Tranquilizer- 1:08:54 Prayer - 1:12:10 Loved Ones - 1:17:33 Style - 1:22:44
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Saturday night livestream from YouTube recorded for your pleasure! Timestamp provided here. If you want to catch it on YouTube, subscribe to my channel! Link to YouTube livestream here: 00:00 Intro 02:35 $SPY 04:45 $QQQ 06:15 $IWM 10:00 $ARKK 11:20 $SMH 12:45 $XBI $XLI $XLF 14:00 2 year and 10 year yields 17:55 M2 money supply 19:10 Oil $WTI 20:30 $VIX 20:50 $TLT 21:55 $GOLD 22:40 $NVDA 24:20 $TSLA 28:20 $PLTR 31:00 $FUBO 34:45 $OSS 39:40 $TLN 42:35 $BB 47:30 #Bitcoin 58:50 #Ethereum 1:02:10 $XMR 1:05:35 $SHIB 1:07:20 $PEPE 1:10:15 $SOL 1:11:30 $LINK 1:13:05 $ADA 1:17:00 $MSTR 1:21:40 $COIN 1:25:20 $CLSK 1:34:00 $MARA 1:38:00 $BITF 1:42:40 $CIFR 1:47:00 $IREN 1:48:40 $WULF 1:50:25 $BTBT 1:52:00 $RIOT 1:53:30 $RKLB 1:58:00 $BABA 2:01:00 $YINN
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Here's my conversation with Dr Jordan B Peterson on nature of good and evil, Nietzsche, psychopathy, politics, power, suffering, God, and meaning. It's here on X in full, and is up everywhere else. Links in comment. Timestamps: 0:00 - Introduction 0:08 - Nietzsche 7:49 - Power and propaganda 12:55 - Nazism 17:55 - Religion 34:19 - Communism 40:04 - Hero myth 42:13 - Belief in God 52:25 - Advice for young people 1:05:03 - Sex 1:25:01 - Good and evil 1:37:47 - Psychopathy 1:51:16 - Hardship 2:03:32 - Pain and gratitude 2:14:33 - Truth
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Here's my conversation with Dr Jordan B Peterson on nature of good and evil, Nietzsche, psychopathy, politics, power, suffering, God, and meaning. It's here on X in full, and is up everywhere else. Links in comment. Timestamps: 0:00 - Introduction 0:08 - Nietzsche 7:49 - Power and propaganda 12:55 - Nazism 17:55 - Religion 34:19 - Communism 40:04 - Hero myth 42:13 - Belief in God 52:25 - Advice for young people 1:05:03 - Sex 1:25:01 - Good and evil 1:37:47 - Psychopathy 1:51:16 - Hardship 2:03:32 - Pain and gratitude 2:14:33 - Truth

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468,368 views • 1 year ago

Here's my conversation with Tulsi Gabbard (Tulsi Gabbard 🌺) all about war, geopolitics, and the military industrial complex. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:07 - War in Iraq 8:53 - Battle injuries and PTSD 16:03 - War on terrorism 24:44 - War in Gaza 28:45 - War in Ukraine 32:31 - Syria 40:13 - Warmongers 49:33 - Nuclear war 1:05:01 - TikTok ban 1:17:06 - Bernie Sanders 1:22:01 - Politics 1:40:52 - Personal attacks 1:43:01 - God
1:50:32

Here's my conversation with Tulsi Gabbard (Tulsi Gabbard 🌺) all about war, geopolitics, and the military industrial complex. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:07 - War in Iraq 8:53 - Battle injuries and PTSD 16:03 - War on terrorism 24:44 - War in Gaza 28:45 - War in Ukraine 32:31 - Syria 40:13 - Warmongers 49:33 - Nuclear war 1:05:01 - TikTok ban 1:17:06 - Bernie Sanders 1:22:01 - Politics 1:40:52 - Personal attacks 1:43:01 - God

Lex Fridman

485,434 views • 2 years ago

Here's my conversation with Jeff Bezos, founder of Amazon and Blue Origin. This is his first time doing a long-form conversation of this kind, and it was an epic one. It's here on X in full & is up on YouTube, Spotify, and everywhere else. Timestamps: 0:00 - Introduction 0:24 - Texas ranch and childhood 4:02 - Space exploration and rocket engineering 16:36 - Physics 26:10 - New Glenn rocket 1:08:59 - Lunar program 1:18:55 - Amazon 1:36:16 - Principles 1:54:56 - Productivity 2:05:34 - Future of humanity
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Here's my conversation with Jeff Bezos, founder of Amazon and Blue Origin. This is his first time doing a long-form conversation of this kind, and it was an epic one. It's here on X in full & is up on YouTube, Spotify, and everywhere else. Timestamps: 0:00 - Introduction 0:24 - Texas ranch and childhood 4:02 - Space exploration and rocket engineering 16:36 - Physics 26:10 - New Glenn rocket 1:08:59 - Lunar program 1:18:55 - Amazon 1:36:16 - Principles 1:54:56 - Productivity 2:05:34 - Future of humanity

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3,212,085 views • 2 years ago

Here's my 6 hour conversation with DHH, a legendary programmer, creator of Ruby on Rails, author, and race car driver. This was a fun and inspiring conversation on everything from the future of programming & AI to the nature of happiness & productivity to the value of family, getting married and having kids. X limits video length to 6 hours. So this full convo doesn't fit (by a few minutes). So, the first 6 hours are here on X. The full version is up everywhere else (see comment). Timestamps: 0:00 - Episode highlight 1:21 - Introduction 2:32 - Programming - early days 19:57 - JavaScript 30:16 - Google Chrome and DOJ 38:03 - Ruby programming language 45:14 - Beautiful code 1:03:15 - Metaprogramming 1:06:36 - Dynamic typing 1:13:55 - Scaling 1:26:47 - Future of programming 1:44:18 - Future of AI 1:50:13 - Vibe coding 1:58:45 - Rails manifesto: Principles of a great programming language 2:23:11 - Why managers are useless 2:32:32 - Small teams 2:38:39 - Jeff Bezos 2:53:57 - Why meetings are toxic 3:01:43 - Case against retirement 3:09:00 - Hard work 3:14:38 - Why we left the cloud 3:17:48 - AWS 3:27:07 - Owning your own servers 3:33:19 - Elon Musk 3:43:01 - Apple 3:54:48 - Tim Sweeney 4:06:22 - Fatherhood 4:32:04 - Racing 4:59:08 - Cars 5:04:26 - Programming setup 5:19:35 - Programming language for beginners 5:32:53 - Open source 5:41:46 - WordPress drama 5:53:03 - Money and happiness 6:01:56 - Hope
5:59:58

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3,934,678 views • 10 months ago

Here's my conversation with Omar Suleiman (@omarsuleiman504), a Palestinian-American Muslim scholar and civil rights leader. This is his 2nd time on the podcast. We previously focused on Islam. This time we focused on Gaza, Palestine, Oct 7, and everything that followed after. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:36 - Oct 7 10:32 - Palestinian diaspora 14:47 - Wael Al-Dahdouh 29:39 - Violence 53:17 - Biden and Trump 1:06:28 - Ceasefire march 1:16:42 - Benjamin Netanyahu 1:23:44 - Houthi rebel attacks 1:25:21 - Hostages 1:31:41 - MLK Jr and Malcolm X 1:44:22 - Palestinian refugees 1:53:32 - Muhammad and Jesus 2:04:24 - Al-Aqsa Mosque 2:13:22 - Ramadan 2:18:14 - Hope for the future
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Here's my conversation with Omar Suleiman (@omarsuleiman504), a Palestinian-American Muslim scholar and civil rights leader. This is his 2nd time on the podcast. We previously focused on Islam. This time we focused on Gaza, Palestine, Oct 7, and everything that followed after. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:36 - Oct 7 10:32 - Palestinian diaspora 14:47 - Wael Al-Dahdouh 29:39 - Violence 53:17 - Biden and Trump 1:06:28 - Ceasefire march 1:16:42 - Benjamin Netanyahu 1:23:44 - Houthi rebel attacks 1:25:21 - Hostages 1:31:41 - MLK Jr and Malcolm X 1:44:22 - Palestinian refugees 1:53:32 - Muhammad and Jesus 2:04:24 - Al-Aqsa Mosque 2:13:22 - Ramadan 2:18:14 - Hope for the future

Lex Fridman

952,155 views • 2 years ago

Here's my conversation with Tim Sweeney (Tim Sweeney), a legendary video game programmer, founder and CEO of Epic Games that created the Unreal Engine, Fortnite, Gears of War, Unreal Tournament, and many other groundbreaking and influential video games. It's here on X in full, and is up everywhere else (see comment). Timestamps: 0:00 - Episode highlight 3:06 - Introduction 3:39 - 10,000 hours programming 6:56 - Advice for young programmers 15:07 - Video games in the 80s and 90s 17:16 - Epic Games origin story 29:54 - Indie game development 35:47 - Unreal Engine 1:01:44 - Technical details of Unreal Engine 1:06:36 - Constructive solid geometry 1:12:35 - Dynamic lighting 1:17:05 - Volumetric fog 1:20:32 - John Carmack 1:22:19 - Evolution of Unreal Engine 1:28:34 - Unreal Engine 5 1:39:45 - Creating realistic humans 1:48:54 - Lumen global illumination 1:53:24 - Movies 2:08:06 - Simulating reality 2:20:21 - Metaverse 2:22:57 - Fortnite 2:26:53 - Scaling 2:42:17 - Game economies 2:43:46 - Standardizing the Metaverse 2:51:59 - Verse programming language 3:13:32 - Concurrency 3:21:09 - Unreal Engine 6 3:25:47 - Indie game developers 3:28:45 - Apple 3:43:25 - Epic Games Store 4:06:16 - Future of gaming 4:12:16 - Greatest games ever made 4:17:53 - GTA 6 and Rockstar Games 4:21:12 - Hope for the future
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Here's my conversation with Tim Sweeney (Tim Sweeney), a legendary video game programmer, founder and CEO of Epic Games that created the Unreal Engine, Fortnite, Gears of War, Unreal Tournament, and many other groundbreaking and influential video games. It's here on X in full, and is up everywhere else (see comment). Timestamps: 0:00 - Episode highlight 3:06 - Introduction 3:39 - 10,000 hours programming 6:56 - Advice for young programmers 15:07 - Video games in the 80s and 90s 17:16 - Epic Games origin story 29:54 - Indie game development 35:47 - Unreal Engine 1:01:44 - Technical details of Unreal Engine 1:06:36 - Constructive solid geometry 1:12:35 - Dynamic lighting 1:17:05 - Volumetric fog 1:20:32 - John Carmack 1:22:19 - Evolution of Unreal Engine 1:28:34 - Unreal Engine 5 1:39:45 - Creating realistic humans 1:48:54 - Lumen global illumination 1:53:24 - Movies 2:08:06 - Simulating reality 2:20:21 - Metaverse 2:22:57 - Fortnite 2:26:53 - Scaling 2:42:17 - Game economies 2:43:46 - Standardizing the Metaverse 2:51:59 - Verse programming language 3:13:32 - Concurrency 3:21:09 - Unreal Engine 6 3:25:47 - Indie game developers 3:28:45 - Apple 3:43:25 - Epic Games Store 4:06:16 - Future of gaming 4:12:16 - Greatest games ever made 4:17:53 - GTA 6 and Rockstar Games 4:21:12 - Hope for the future

Lex Fridman

935,822 views • 1 year ago

Here's my 4-hour conversation with Marc Andreessen (Marc Andreessen 🇺🇸), where we discuss a positive vision for the future of America, given the many challenges we face. We talk about the state of the tech industry, the heated AI race, immigration, power & corruption in politics, and of course, most importantly, the critical role of humor and memes to the progress of human civilization. It's here on X in full, and is up everywhere else too. Links in comment. Timestamps: 0:00 - Introduction 1:09 - Best possible future 10:32 - History of Western Civilization 19:51 - Trump in 2025 27:32 - TDS in tech 40:19 - Preference falsification 56:15 - Self-censorship 1:11:18 - Censorship 1:19:57 - Jon Stewart 1:22:43 - Mark Zuckerberg on Joe Rogan 1:31:32 - Government pressure 1:42:19 - Nature of power 1:55:08 - Journalism 2:00:43 - Bill Ackman 2:05:40 - Trump administration 2:13:19 - DOGE 2:27:11 - H1B and immigration 3:05:05 - Little tech 3:17:25 - AI race 3:26:15 - X 3:29:47 - Yann LeCun 3:33:21 - Andrew Huberman 3:34:53 - Success 3:37:49 - God and humanity
3:45:35

Here's my 4-hour conversation with Marc Andreessen (Marc Andreessen 🇺🇸), where we discuss a positive vision for the future of America, given the many challenges we face. We talk about the state of the tech industry, the heated AI race, immigration, power & corruption in politics, and of course, most importantly, the critical role of humor and memes to the progress of human civilization. It's here on X in full, and is up everywhere else too. Links in comment. Timestamps: 0:00 - Introduction 1:09 - Best possible future 10:32 - History of Western Civilization 19:51 - Trump in 2025 27:32 - TDS in tech 40:19 - Preference falsification 56:15 - Self-censorship 1:11:18 - Censorship 1:19:57 - Jon Stewart 1:22:43 - Mark Zuckerberg on Joe Rogan 1:31:32 - Government pressure 1:42:19 - Nature of power 1:55:08 - Journalism 2:00:43 - Bill Ackman 2:05:40 - Trump administration 2:13:19 - DOGE 2:27:11 - H1B and immigration 3:05:05 - Little tech 3:17:25 - AI race 3:26:15 - X 3:29:47 - Yann LeCun 3:33:21 - Andrew Huberman 3:34:53 - Success 3:37:49 - God and humanity

Lex Fridman

812,692 views • 1 year ago

Here's my conversation with Javier Milei (Javier Milei), President of Argentina 🇦🇷. I'm posting it in both English (overdubbed) & Spanish (with subtitles) here on X and everywhere else. See comment thread for Spanish version and links. The Spanish version has me speaking Spanish 🔥 Timestamps: 0:00 - Introduction 3:27 - Economic freedom 8:52 - Anarcho-capitalism 18:45 - Presidency and reforms 38:05 - Poverty 44:37 - Corruption 53:14 - Freedom 1:07:26 - Elon Musk 1:12:54 - DOGE 1:14:56 - Donald Trump 1:20:56 - US and Argentina relations 1:28:05 - Messi vs Maradona 1:36:58 - God 1:39:05 - Elvis and Rolling Stones 1:42:45 - Free market 1:49:46 - Loyalty 1:52:23 - Advice for young people 1:53:49 - Hope for Argentina
1:57:00

Here's my conversation with Javier Milei (Javier Milei), President of Argentina 🇦🇷. I'm posting it in both English (overdubbed) & Spanish (with subtitles) here on X and everywhere else. See comment thread for Spanish version and links. The Spanish version has me speaking Spanish 🔥 Timestamps: 0:00 - Introduction 3:27 - Economic freedom 8:52 - Anarcho-capitalism 18:45 - Presidency and reforms 38:05 - Poverty 44:37 - Corruption 53:14 - Freedom 1:07:26 - Elon Musk 1:12:54 - DOGE 1:14:56 - Donald Trump 1:20:56 - US and Argentina relations 1:28:05 - Messi vs Maradona 1:36:58 - God 1:39:05 - Elvis and Rolling Stones 1:42:45 - Free market 1:49:46 - Loyalty 1:52:23 - Advice for young people 1:53:49 - Hope for Argentina

Lex Fridman

4,087,793 views • 1 year ago

Here's my conversation with Rick Beato (Rick Beato), a musician, music educator, producer, songwriter, and host of a YouTube channel that celebrates great musicians & musical ideas, and helps millions of people fall in love with great music all over again. It's here on X in full and is up everywhere else (see comment). Timestamps: 0:00 - Introduction 0:44 - Guitar solos 4:43 - Gypsy jazz and Django Reinhardt 6:14 - Bebop jazz 10:27 - Perfect pitch vs relative pitch 15:04 - Learning to play guitar 38:34 - Miles Davis 44:01 - Bass guitar 45:08 - Greatest guitar solos of all time 1:14:23 - 27 Club 1:19:04 - Elton John 1:22:18 - Metallica 1:26:48 - Tom Waits 1:32:39 - Greatest rock stars 1:36:02 - Beethoven 1:42:37 - Bach 1:45:27 - AI in music 1:59:18 - Sabrina Carpenter 2:02:49 - YouTube copyright strikes 2:08:26 - Spotify 2:19:18 - Guitars 2:23:40 - Advice
2:33:47

Here's my conversation with Rick Beato (Rick Beato), a musician, music educator, producer, songwriter, and host of a YouTube channel that celebrates great musicians & musical ideas, and helps millions of people fall in love with great music all over again. It's here on X in full and is up everywhere else (see comment). Timestamps: 0:00 - Introduction 0:44 - Guitar solos 4:43 - Gypsy jazz and Django Reinhardt 6:14 - Bebop jazz 10:27 - Perfect pitch vs relative pitch 15:04 - Learning to play guitar 38:34 - Miles Davis 44:01 - Bass guitar 45:08 - Greatest guitar solos of all time 1:14:23 - 27 Club 1:19:04 - Elton John 1:22:18 - Metallica 1:26:48 - Tom Waits 1:32:39 - Greatest rock stars 1:36:02 - Beethoven 1:42:37 - Bach 1:45:27 - AI in music 1:59:18 - Sabrina Carpenter 2:02:49 - YouTube copyright strikes 2:08:26 - Spotify 2:19:18 - Guitars 2:23:40 - Advice

Lex Fridman

586,832 views • 3 months ago

Here's my conversation with Sara Walker (Sara Imari Walker), a physicist and astrobiologist. We discuss how life emerged on Earth and in the Universe. She wrote a new book on just this topic, go pre-order it. This was a mind-blowing and super fun conversation. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:07 - Definition of life 21:45 - Time and space 32:26 - Technosphere 36:51 - Theory of everything 45:32 - Origin of life 1:07:10 - Assembly theory 1:23:24 - Aliens 1:35:14 - Great Perceptual Filter 1:39:12 - Fashion 1:43:14 - Beauty 1:49:35 - Language 1:56:16 - Computation 2:06:03 - Consciousness 2:14:55 - Artificial life 2:38:48 - Free will 2:45:32 - Why anything exists
2:51:49

Here's my conversation with Sara Walker (Sara Imari Walker), a physicist and astrobiologist. We discuss how life emerged on Earth and in the Universe. She wrote a new book on just this topic, go pre-order it. This was a mind-blowing and super fun conversation. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:07 - Definition of life 21:45 - Time and space 32:26 - Technosphere 36:51 - Theory of everything 45:32 - Origin of life 1:07:10 - Assembly theory 1:23:24 - Aliens 1:35:14 - Great Perceptual Filter 1:39:12 - Fashion 1:43:14 - Beauty 1:49:35 - Language 1:56:16 - Computation 2:06:03 - Consciousness 2:14:55 - Artificial life 2:38:48 - Free will 2:45:32 - Why anything exists

Lex Fridman

642,183 views • 2 years ago

Here's my conversation with Dario Amodei, CEO of Anthropic, the company that created Claude, one of the best AI systems in the world. We talk about scaling, AI safety, regulation, and a lot of super technical details about the present and future of AI and humanity. It's a 5+ hour conversation in total. Amanda Askell and Chris Olah (Chris Olah) join us for an hour each to talk about Claude's character and mechanistic interpretability, respectively. This was a fascinating, wide-ranging, super-technical, and fun conversation! First 4 hours are here on X (4 hours is current limit), and is up on everywhere else in full. Links in comment. Timestamps: 0:00 - Introduction 3:14 - Scaling laws 12:20 - Limits of LLM scaling 20:45 - Competition with OpenAI, Google, xAI, Meta 26:08 - Claude 29:44 - Opus 3.5 34:30 - Sonnet 3.5 37:50 - Claude 4.0 42:02 - Criticism of Claude 54:49 - AI Safety Levels 1:05:37 - ASL-3 and ASL-4 1:09:40 - Computer use 1:19:35 - Government regulation of AI 1:38:24 - Hiring a great team 1:47:14 - Post-training 1:52:39 - Constitutional AI 1:58:05 - Machines of Loving Grace 2:17:11 - AGI timeline 2:29:46 - Programming 2:36:46 - Meaning of life 2:42:53 - Amanda Askell - Philosophy 2:45:21 - Programming advice for non-technical people 2:49:09 - Talking to Claude 3:05:41 - Prompt engineering 3:14:15 - Post-training 3:18:54 - Constitutional AI 3:23:48 - System prompts 3:29:54 - Is Claude getting dumber? 3:41:56 - Character training 3:42:56 - Nature of truth 3:47:32 - Optimal rate of failure 3:54:43 - AI consciousness 4:09:14 - AGI 4:17:52 - Chris Olah - Mechanistic Interpretability 4:22:44 - Features, Circuits, Universality 4:40:17 - Superposition 4:51:16 - Monosemanticity 4:58:08 - Scaling Monosemanticity 5:06:56 - Macroscopic behavior of neural networks 5:11:50 - Beauty of neural networks
3:58:08

Here's my conversation with Dario Amodei, CEO of Anthropic, the company that created Claude, one of the best AI systems in the world. We talk about scaling, AI safety, regulation, and a lot of super technical details about the present and future of AI and humanity. It's a 5+ hour conversation in total. Amanda Askell and Chris Olah (Chris Olah) join us for an hour each to talk about Claude's character and mechanistic interpretability, respectively. This was a fascinating, wide-ranging, super-technical, and fun conversation! First 4 hours are here on X (4 hours is current limit), and is up on everywhere else in full. Links in comment. Timestamps: 0:00 - Introduction 3:14 - Scaling laws 12:20 - Limits of LLM scaling 20:45 - Competition with OpenAI, Google, xAI, Meta 26:08 - Claude 29:44 - Opus 3.5 34:30 - Sonnet 3.5 37:50 - Claude 4.0 42:02 - Criticism of Claude 54:49 - AI Safety Levels 1:05:37 - ASL-3 and ASL-4 1:09:40 - Computer use 1:19:35 - Government regulation of AI 1:38:24 - Hiring a great team 1:47:14 - Post-training 1:52:39 - Constitutional AI 1:58:05 - Machines of Loving Grace 2:17:11 - AGI timeline 2:29:46 - Programming 2:36:46 - Meaning of life 2:42:53 - Amanda Askell - Philosophy 2:45:21 - Programming advice for non-technical people 2:49:09 - Talking to Claude 3:05:41 - Prompt engineering 3:14:15 - Post-training 3:18:54 - Constitutional AI 3:23:48 - System prompts 3:29:54 - Is Claude getting dumber? 3:41:56 - Character training 3:42:56 - Nature of truth 3:47:32 - Optimal rate of failure 3:54:43 - AI consciousness 4:09:14 - AGI 4:17:52 - Chris Olah - Mechanistic Interpretability 4:22:44 - Features, Circuits, Universality 4:40:17 - Superposition 4:51:16 - Monosemanticity 4:58:08 - Scaling Monosemanticity 5:06:56 - Macroscopic behavior of neural networks 5:11:50 - Beauty of neural networks

Lex Fridman

1,374,131 views • 1 year ago

Here's my conversation with Charan Ranganath, psychologist & neuroscientist at UC Davis, specializing in human memory. We talk about memory, imagination, deja vu, false memories, why we remember, why we forget, and a lot of other fascinating mysteries about the human mind. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:03 - Experiencing self vs remembering self 14:44 - Creating memories 24:16 - Why we forget 31:53 - Training memory 42:22 - Memory hacks 54:10 - Imagination vs memory 1:03:29 - Memory competitions 1:13:18 - Science of memory 1:28:33 - Discoveries 1:39:37 - Deja vu 1:44:54 - False memories 2:04:59 - False confessions 2:08:45 - Heartbreak 2:16:19 - Nature of time 2:24:00 - Brain–computer interface (BCI) 2:38:04 - AI and memory 2:48:18 - ADHD 2:55:15 - Music 3:05:00 - Human mind
3:10:40

Here's my conversation with Charan Ranganath, psychologist & neuroscientist at UC Davis, specializing in human memory. We talk about memory, imagination, deja vu, false memories, why we remember, why we forget, and a lot of other fascinating mysteries about the human mind. It's here on X in full, and is up on YouTube, Spotify, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:03 - Experiencing self vs remembering self 14:44 - Creating memories 24:16 - Why we forget 31:53 - Training memory 42:22 - Memory hacks 54:10 - Imagination vs memory 1:03:29 - Memory competitions 1:13:18 - Science of memory 1:28:33 - Discoveries 1:39:37 - Deja vu 1:44:54 - False memories 2:04:59 - False confessions 2:08:45 - Heartbreak 2:16:19 - Nature of time 2:24:00 - Brain–computer interface (BCI) 2:38:04 - AI and memory 2:48:18 - ADHD 2:55:15 - Music 3:05:00 - Human mind

Lex Fridman

294,473 views • 2 years ago