Lex Fridman Podcast

Lex Fridman Podcast

https://lexfridman.com/feed/podcast/
36.2K Followers 499 Episodes Claim Ownership
Conversations that explore technology, history, philosophy, physics, mathematics, biology, chemistry, engineering, AI, robotics, programming, music, film, art, sports, psychology, neuroscience, geopolitics, business, economics, religion, astronomy, and the human condition with people from all walks of life.

Episode List

#498 – Anthony Kaldellis: Roman Empire, Byzantine Empire, Rise & Fall of Empires

Jun 30th, 2026 9:33 PM

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). Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep498-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/anthony-kaldellis-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: Anthony’s Books: https://amzn.to/49AX7Q1 Anthony’s Publications: https://kaldellispublications.weebly.com Anthony’s University of Chicago page: https://classics.uchicago.edu/people/anthony-kaldellis The New Roman Empire (book): https://amzn.to/3PTFTqk Streams of Gold (book): https://amzn.to/4fgRMRq Byzantium & Friends Podcast: https://byzantiumandfriends.podbean.com/ The History of Byzantium Podcast: https://thehistoryofbyzantium.com/ SPONSORS: To support this podcast, check out our sponsors & get discounts: Upwork: Platform for hiring freelancers. Go to https://upwork.com/lex Fin: AI agent for customer service. Go to https://fin.ai/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 Perplexity: AI-powered answer engine. Go to https://perplexity.ai/ OUTLINE: (00:00) – Introduction (00:11) – Sponsors, Comments, and Reflections (08:45) – The Roman Empire and the Byzantine Empire (12:42) – 2,200 Years of Roman History (33:06) – Power, violence, and civil war (54:20) – Edict of Caracalla (1:07:17) – Crisis of the Third Century (1:21:45) – Constantine and the new Roman Empire (1:33:46) – Christianity in the Roman Empire (1:59:14) – Fall of the Western Roman Empire (2:12:11) – Eunuchs, Taxes, and Power (2:37:17) – Emperor Justinian and wars of conquest (2:54:19) – The Arab conquests (3:13:55) – Why the Roman empire survived so long (3:40:01) – Lessons from 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

#497 – Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE – Don Lincoln

May 29th, 2026 4:22 PM

Don Lincoln is a particle physicist at Fermilab who has spent decades working at the frontiers of high energy physics. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep497-sc See below for timestamps, and to give feedback, submit questions, contact Lex, etc. 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: Don’s Facebook: https://facebook.com/Dr.Don.Lincoln/ Don’s Website: https://drdonlincoln.com/ Don’s LinkedIn: https://bit.ly/4nHeNiF Don’s YouTube Playlist: https://bit.ly/3PCIW67 Don’s X: https://x.com/DrDonLincoln Don’s Books: https://amzn.to/4uYbkOZ Don’s Great Courses: https://shop.thegreatcourses.com/don-lincoln Don’s Audible: https://adbl.co/4wGioRV Fermilab’s YouTube: https://www.youtube.com/fermilab Fermilab’s Website: https://www.fnal.gov/ Fermilab’s X: https://x.com/fermilab SPONSORS: To support this podcast, check out our sponsors & get discounts: Upwork: Platform for hiring freelancers. Go to https://upwork.com/lex Larridin: Measure AI adoption in your business. Go to https://larridin.com Fin: AI agent for customer service. Go to https://fin.ai/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex Shopify: Sell stuff online. Go to https://shopify.com/lex Perplexity: AI-powered answer engine. Go to https://perplexity.ai/ OUTLINE: (00:00) – Introduction (00:34) – Sponsors, Comments, and Reflections (08:52) – Unifying the laws of nature (23:23) – Einstein, special relativity, and general relativity (40:31) – Electroweak force (52:13) – How particle colliders work (1:10:16) – Higgs boson discovery (1:20:35) – Theory of everything (1:50:20) – Physics of empty space (1:57:45) – Antimatter (2:18:35) – Dark energy (2:22:23) – Dark matter (2:50:59) – Future of physics 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

#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

May 6th, 2026 10:06 PM

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. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep496-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/ffmpeg-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: FFmpeg on X: https://x.com/FFmpeg FFmpeg: https://ffmpeg.org/ VideoLAN (VLC): https://www.videolan.org/ VideoLAN on X: https://x.com/videolan Jean-Baptiste’s Website: https://jbkempf.com/ Jean-Baptiste’s LinkedIn: https://www.linkedin.com/in/jbkempf/ Jean-Baptiste’s GitHub: https://github.com/jbkempf Kieran’s X: https://x.com/kierank_ Kieran’s LinkedIn: https://bit.ly/3OORhmC Kieran’s GitHub: https://github.com/kierank SPONSORS: To support this podcast, check out our sponsors & get discounts: Larridin: Measure AI adoption in your business. Go to https://larridin.com Blitzy: AI agent for large enterprise codebases. Go to https://blitzy.com/lex BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex Fin: AI agent for customer service. Go to https://fin.ai/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex Perplexity: AI-powered answer engine. Go to https://perplexity.ai/ OUTLINE: (00:00) – Introduction (03:00) – Sponsors, Comments, and Reflections (10:48) – Weirdest things VLC opens (15:12) – How video playback works (24:33) – Video codecs and containers (35:20) – FFmpeg explained (56:20) – Linus Torvalds (1:00:59) – Turning down millions to keep VLC ad-free (1:15:17) – FFmpeg & Google drama (1:34:31) – FFmpeg developers (1:41:08) – VLC and FFmpeg (1:45:42) – History of FFmpeg (1:48:59) – Reverse engineering codecs (2:02:14) – FFmpeg testing (2:06:21) – Assembly code (handwritten) (2:30:39) – Rust programming language (2:39:55) – FFmpeg and Libav fork (2:48:17) – Open source burnout (2:56:04) – x264 and internet video (3:09:20) – Video compression basics (3:16:17) – CIA and fake VLC (3:26:52) – Ultra low latency streaming (3:44:20) – AV2 codec and video patents (3:54:12) – VLC backdoors (4:04:27) – Video archiving (4:11:04) – Future of FFmpeg and VLC

#495 – Vikings, Ragnar, Berserkers, Valhalla & the Warriors of the Viking Age

Apr 9th, 2026 5:43 PM

Lars Brownworth is a historian, teacher, podcaster, and author specializing in Viking history, medieval Europe, and the Byzantine Empire. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep495-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/lars-brownworth-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: Lars’s Website: https://larsbrownworth.com/ The Sea Wolves (book): https://www.amazon.com/Sea-Wolves-History-Vikings/dp/1909979120 Lars’s Books: https://amzn.to/4sHY0xw 12 Byzantine Rulers Podcast : https://12byzantinerulers.com/ Norman Centuries Podcast: https://apple.co/4sgSxNi SPONSORS: To support this podcast, check out our sponsors & get discounts: Larridin: Measure AI adoption in your business. Go to https://larridin.com BetterHelp: Online therapy and counseling. Go to https://betterhelp.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex Fin: AI agent for customer service. Go to https://fin.ai/lex Shopify: Sell stuff online. Go to https://shopify.com/lex Perplexity: AI-powered answer engine. Go to https://perplexity.ai/ OUTLINE: (00:00) – Introduction (01:03) – Sponsors, Comments, and Reflections (08:57) – The start of the Viking Age (18:50) – Viking military strategy, tactics & technology (32:33) – Ragnar Lothbrok (42:00) – The Great Heathen Army (46:42) – Rollo and Normandy (56:54) – Viking religion and Valhalla (1:07:25) – Viking explorers (1:12:33) – Vikings in North America (1:25:55) – Vikings in the East (1:45:33) – Byzantine Empire (1:54:17) – History and human nature 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

#494 – Jensen Huang: NVIDIA – The $4 Trillion Company & the AI Revolution

Mar 23rd, 2026 4:28 PM

Jensen Huang is the co-founder and CEO of NVIDIA, the world’s most valuable company and the engine powering the AI computing revolution. Thank you for listening ❤ Check out our sponsors: https://lexfridman.com/sponsors/ep494-sc See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc. Transcript: https://lexfridman.com/jensen-huang-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: NVIDIA: https://nvidia.com NVIDIA on X: https://x.com/nvidia NVIDIA AI on X: https://x.com/NVIDIAAI NVIDIA on YouTube: https://youtube.com/@nvidia NVIDIA on Instagram: https://www.instagram.com/nvidia/ NVIDIA on LinkedIn: https://www.linkedin.com/company/nvidia/ NVIDIA on Facebook: https://www.facebook.com/NVIDIA/ NVIDIA on GitHub: https://github.com/NVIDIA Nemotron: https://developer.nvidia.com/nemotron SPONSORS: To support this podcast, check out our sponsors & get discounts: Perplexity: AI-powered answer engine. Go to https://perplexity.ai/ Shopify: Sell stuff online. Go to https://shopify.com/lex LMNT: Zero-sugar electrolyte drink mix. Go to https://drinkLMNT.com/lex Fin: AI agent for customer service. Go to https://fin.ai/lex Quo: Phone system (calls, texts, contacts) for businesses. Go to https://quo.com/lex OUTLINE: (00:00) – Introduction (00:26) – Sponsors, Comments, and Reflections (06:34) – Extreme co-design and rack-scale engineering (09:20) – How Jensen runs NVIDIA (28:41) – AI scaling laws (43:41) – Biggest blockers to AI scaling laws (45:25) – Supply chain (47:20) – Memory (53:25) – Power (58:45) – Elon and Colossus (1:02:13) – Jensen’s approach to engineering and leadership (1:07:38) – China (1:15:51) – TSMC and Taiwan (1:21:06) – NVIDIA’s moat (1:26:43) – AI data centers in space (1:30:31) – Will NVIDIA be worth $10 trillion? (1:40:40) – Leadership under pressure (1:54:26) – Video games (2:01:18) – AGI timeline (2:03:31) – Future of programming (2:17:02) – Consciousness (2:23:23) – Mortality 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

Get this podcast on your phone, Free

Create Your Podcast In Minutes

  • Full-featured podcast site
  • Unlimited storage and bandwidth
  • Comprehensive podcast stats
  • Distribute to Apple Podcasts, Spotify, and more
  • Make money with your podcast
Get Started
It is Free