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Lex Fridman Podcast

Lex Fridman Podcast

Lex Fridman

Conversations about science, technology, history, philosophy and the nature of intelligence, consciousness, love, and power. Lex is an AI researcher at MIT and beyond.

540 - #474 – DHH: Future of Programming, AI, Ruby on Rails, Productivity & Parenting
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  • 540 - #474 – DHH: Future of Programming, AI, Ruby on Rails, Productivity & Parenting

    David Heinemeier Hansson (aka DHH) is a legendary programmer, creator of Ruby on Rails, co-owner & CTO of 37signals that created Basecamp, HEY, & ONCE, and is a NYT-best-selling author (with Jason Fried) of 4 books: REWORK, REMOTE, Getting Real, and It Doesn't Have To Be Crazy At Work. He is also a race car driver, including a class-winning performance at the 24 hour Le Mans race.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep474-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/dhh-david-heinemeier-hansson-transcript

    CONTACT LEX:
    Feedback - give feedback to Lex: https://lexfridman.com/survey
    AMA - submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring - join our team: https://lexfridman.com/hiring
    Other - other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    DHH's X: https://x.com/dhh
    DHH's Website: https://dhh.dk/
    Ruby on Rails: https://rubyonrails.org/
    37signals: https://37signals.com/

    DHH's books:
    Rework: https://amzn.to/44rSKob
    Remote: https://amzn.to/44GFJ91
    It Doesn't Have to Be Crazy at Work: https://amzn.to/46bzuwx
    Getting Real: https://amzn.to/4kzoMDg

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    UPLIFT Desk: Standing desks and office ergonomics.
    Go to https://upliftdesk.com/lex
    Lindy: No-code AI agent builder.
    Go to https://go.lindy.ai/lex
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    NetSuite: Business management software.
    Go to http://netsuite.com/lex

    OUTLINE:
    (00:00) - Introduction
    (00:58) - Sponsors, Comments, and Reflections
    (08:48) - Programming - early days
    (26:13) - JavaScript
    (36:32) - Google Chrome and DOJ
    (44:19) - Ruby programming language
    (51:30) - Beautiful code
    (1:09:31) - Metaprogramming
    (1:12:52) - Dynamic typing
    (1:20:10) - Scaling
    (1:33:03) - Future of programming
    (1:50:34) - Future of AI
    (1:56:29) - Vibe coding
    (2:05:01) - Rails manifesto: Principles of a great programming language
    (2:29:27) - Why managers are useless
    (2:38:48) - Small teams
    (2:44:55) - Jeff Bezos
    (3:00:13) - Why meetings are toxic
    (3:07:58) - Case against retirement
    (3:15:15) - Hard work
    (3:20:53) - Why we left the cloud
    (3:24:04) - AWS
    (3:33:22) - Owning your own servers
    (3:39:35) - Elon Musk
    (3:49:17) - Apple
    (4:01:03) - Tim Sweeney
    (4:12:37) - Fatherhood
    (4:38:19) - Racing
    (5:05:23) - Cars
    (5:10:41) - Programming setup
    (5:25:51) - Programming language for beginners
    (5:39:09) - Open source
    (5:48:01) - WordPress drama
    (5:59:18) - Money and happiness
    (6:08:11) - Hope

    Sat, 12 Jul 2025
  • 539 - #473 – Iran War Debate: Nuclear Weapons, Trump, Peace, Power & the Middle East

    Debate on Iran war between Scott Horton and Mark Dubowitz. Scott Horton is the author and director of the Libertarian Institute, editorial director of Antiwar.com, host of The Scott Horton Show, and for the past three decades, a staunch critic of U.S. foreign policy and military interventionism. Mark Dubowitz is the chief executive of the Foundation for Defense of Democracies, host of the Iran Breakdown podcast, and a leading expert on Iran and its nuclear program for over 20 years. This debate was recorded on Tuesday, June 24, after the Iran-Israel ceasefire was declared.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep473-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/iran-israel-debate-transcript

    CONTACT LEX:
    Feedback - give feedback to Lex: https://lexfridman.com/survey
    AMA - submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring - join our team: https://lexfridman.com/hiring
    Other - other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    Mark's X: https://x.com/mdubowitz
    Mark's Podcast: https://youtube.com/playlist?list=PLmEsAFBNkqsMQnt5pypwEX0ul0NyIjd3E
    The Foundation for Defense of Democracies (FDD): https://www.fdd.org/

    Scott's X: https://x.com/scotthortonshow
    Scott's YouTube: https://youtube.com/@scotthortonshow
    Scott's Podcast: https://www.scotthortonshow.com/
    Scott's Website: https://scotthorton.org/
    Scott's Books: https://amzn.to/3T9Qg7y
    The Libertarian Institute: https://libertarianinstitute.org/
    Antiwar.com: https://antiwar.com/

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Hampton: Community for high-growth founders and CEOs.
    Go to https://joinhampton.com/lex
    Notion: Note-taking and team collaboration.
    Go to https://notion.com/lex
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    Oracle: Cloud infrastructure.
    Go to https://oracle.com/lex
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex

    OUTLINE:
    (00:00) - Introduction
    (00:36) - Sponsors, Comments, and Reflections
    (08:02) - Iran-Israel War
    (16:45) - Iran's Nuclear Program
    (48:37) - Nuclear weapons and uranium
    (1:00:40) - Nuclear deal
    (1:26:14) - Iran Nuclear Archive
    (1:48:50) - Best case and worst case near-term future
    (2:24:15) - US attack on Iran - Operation Midnight Hammer
    (2:47:48) - Nuclear proliferation in the future
    (3:08:46) - Libertarianism
    (3:21:35) - Foundation for Defense of Democracies (FDD)
    (3:37:10) - Trump and Peacemaking process
    (3:42:08) - WW2
    (3:55:08) - WW3

    Thu, 26 Jun 2025
  • 538 - #472 – Terence Tao: Hardest Problems in Mathematics, Physics & the Future of AI

    Terence Tao is widely considered to be one of the greatest mathematicians in history. He won the Fields Medal and the Breakthrough Prize in Mathematics, and has contributed to a wide range of fields from fluid dynamics with Navier-Stokes equations to mathematical physics & quantum mechanics, prime numbers & analytics number theory, harmonic analysis, compressed sensing, random matrix theory, combinatorics, and progress on many of the hardest problems in the history of mathematics.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep472-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/terence-tao-transcript

    CONTACT LEX:
    Feedback - give feedback to Lex: https://lexfridman.com/survey
    AMA - submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring - join our team: https://lexfridman.com/hiring
    Other - other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    Terence's Blog: https://terrytao.wordpress.com/
    Terence's YouTube: https://www.youtube.com/@TerenceTao27
    Terence's Books: https://amzn.to/43H9Aiq

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Notion: Note-taking and team collaboration.
    Go to https://notion.com/lex
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    NetSuite: Business management software.
    Go to http://netsuite.com/lex
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    AG1: All-in-one daily nutrition drink.
    Go to https://drinkag1.com/lex

    OUTLINE:
    (00:00) - Introduction
    (00:36) - Sponsors, Comments, and Reflections
    (09:49) - First hard problem
    (15:16) - Navier–Stokes singularity
    (35:25) - Game of life
    (42:00) - Infinity
    (47:07) - Math vs Physics
    (53:26) - Nature of reality
    (1:16:08) - Theory of everything
    (1:22:09) - General relativity
    (1:25:37) - Solving difficult problems
    (1:29:00) - AI-assisted theorem proving
    (1:41:50) - Lean programming language
    (1:51:50) - DeepMind's AlphaProof
    (1:56:45) - Human mathematicians vs AI
    (2:06:37) - AI winning the Fields Medal
    (2:13:47) - Grigori Perelman
    (2:26:29) - Twin Prime Conjecture
    (2:43:04) - Collatz conjecture
    (2:49:50) - P = NP
    (2:52:43) - Fields Medal
    (3:00:18) - Andrew Wiles and Fermat's Last Theorem
    (3:04:15) - Productivity
    (3:06:54) - Advice for young people
    (3:15:17) - The greatest mathematician of all time

    PODCAST LINKS:
    - Podcast Website: https://lexfridman.com/podcast
    - Apple Podcasts: https://apple.co/2lwqZIr
    - Spotify: https://spoti.fi/2nEwCF8
    - RSS: https://lexfridman.com/feed/podcast/
    - Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
    - Clips Channel: https://www.youtube.com/lexclips

    Sun, 15 Jun 2025 - 3h 23min
  • 537 - #471 – Sundar Pichai: CEO of Google and Alphabet

    Sundar Pichai is CEO of Google and Alphabet.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep471-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/sundar-pichai-transcript

    CONTACT LEX:
    Feedback - give feedback to Lex: https://lexfridman.com/survey
    AMA - submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring - join our team: https://lexfridman.com/hiring
    Other - other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    Sundar's X: https://x.com/sundarpichai
    Sundar's Instagram: https://instagram.com/sundarpichai
    Sundar's Blog: https://blog.google/authors/sundar-pichai/
    Google Gemini: https://gemini.google.com/
    Google's YouTube Channel: https://www.youtube.com/@Google

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Tax Network USA: Full-service tax firm.
    Go to https://tnusa.com/lex
    BetterHelp: Online therapy and counseling.
    Go to https://betterhelp.com/lex
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    AG1: All-in-one daily nutrition drink.
    Go to https://drinkag1.com/lex

    OUTLINE:
    (00:00) - Introduction
    (00:07) - Sponsors, Comments, and Reflections
    (07:55) - Growing up in India
    (14:04) - Advice for young people
    (15:46) - Styles of leadership
    (20:07) - Impact of AI in human history
    (32:17) - Veo 3 and future of video
    (40:01) - Scaling laws
    (43:46) - AGI and ASI
    (50:11) - P(doom)
    (57:02) - Toughest leadership decisions
    (1:08:09) - AI mode vs Google Search
    (1:21:00) - Google Chrome
    (1:36:30) - Programming
    (1:43:14) - Android
    (1:48:27) - Questions for AGI
    (1:53:42) - Future of humanity
    (1:57:04) - Demo: Google Beam
    (2:04:46) - Demo: Google XR Glasses
    (2:07:31) - Biggest invention in human history

    PODCAST LINKS:
    - Podcast Website: https://lexfridman.com/podcast
    - Apple Podcasts: https://apple.co/2lwqZIr
    - Spotify: https://spoti.fi/2nEwCF8
    - RSS: https://lexfridman.com/feed/podcast/
    - Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
    - Clips Channel: https://www.youtube.com/lexclips

    Thu, 05 Jun 2025 - 2h 17min
  • 536 - #470 – James Holland: World War II, Hitler, Churchill, Stalin & Biggest Battles

    James Holland is a historian specializing in World War II. He hosts a podcast called WW2 Pod: We Have Ways of Making You Talk.
    Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep470-sc
    See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.

    Transcript:
    https://lexfridman.com/james-holland-transcript

    CONTACT LEX:
    Feedback - give feedback to Lex: https://lexfridman.com/survey
    AMA - submit questions, videos or call-in: https://lexfridman.com/ama
    Hiring - join our team: https://lexfridman.com/hiring
    Other - other ways to get in touch: https://lexfridman.com/contact

    EPISODE LINKS:
    James's Books: https://amzn.to/4caapmt
    James's X: https://x.com/James1940
    James's Instagram: https://instagram.com/jamesholland1940
    James's Substack: https://james1940.substack.com
    WW2 Pod (Podcast - Apple): https://apple.co/4l93Dl3
    WW2 Pod (Podcast - YouTube): https://www.youtube.com/@wehaveways
    WW2 Pod (Podcast - Spotify): https://open.spotify.com/show/34VlAepHmeloDD76RX4jtc
    WW2 Pod (Podcast - X): https://x.com/WeHaveWaysPod

    SPONSORS:
    To support this podcast, check out our sponsors & get discounts:
    Shopify: Sell stuff online.
    Go to https://shopify.com/lex
    LMNT: Zero-sugar electrolyte drink mix.
    Go to https://drinkLMNT.com/lex
    AG1: All-in-one daily nutrition drink.
    Go to https://drinkag1.com/lex
    Notion: Note-taking and team collaboration.
    Go to https://notion.com/lex

    OUTLINE:
    (00:00) - Introduction
    (00:34) - Sponsors, Comments, and Reflections
    (07:25) - World War II
    (17:23) - Lebensraum and Hitler ideology
    (24:36) - Operation Barbarossa
    (40:49) - Hitler vs Europe
    (1:02:35) - Joseph Goebbels
    (1:12:29) - Hitler before WW2
    (1:17:25) - Hitler vs Chamberlain
    (1:39:31) - Invasion of Poland
    (1:44:07) - Molotov–Ribbentrop Pact
    (1:52:09) - Winston Churchill
    (2:16:09) - Most powerful military in WW2
    (2:38:31) - Tanks
    (2:48:30) - Battle of Stalingrad
    (3:01:21) - Concentration camps
    (3:10:53) - Battle of Normandy
    (3:24:45) - Lessons from WW2

    PODCAST LINKS:
    - Podcast Website: https://lexfridman.com/podcast
    - Apple Podcasts: https://apple.co/2lwqZIr
    - Spotify: https://spoti.fi/2nEwCF8
    - RSS: https://lexfridman.com/feed/podcast/
    - Podcast Playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
    - Clips Channel: https://www.youtube.com/lexclips

    Sat, 24 May 2025 - 3h 30min
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