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10:08EN
Jane Street· Jul 3, 2020Expected Damage and a Golden-Ratio Window PuzzleSawyer · Jane StreetSawyer introduces expected value with an unknown video-game monster, then uses geometry to solve a painting-through-a-window problem.
2:00:32EN
Lex Fridman· Jul 3, 2020Podcast · 2 speakersSlow Synapses Grow Fast Learners — Warmth Is the Harder ProblemGuest Matt Botvinick · Host Lex FridmanDeepMind neuroscience director Matt Botvinick tells Lex Fridman how prefrontal cortex, meta-reinforcement learning, and dopamine research meet the human question of what a better life with AI would actually look like.
45:31ENLex Fridman· Jul 1, 2020PodcastYou Are Your Own Existence Proof: Karl Friston on Free Energy, Life, and Self-AwarenessHost Lex FridmanKarl Friston explains how the free energy principle reframes existence, life, planning, and self-awareness as inference problems.
7:55ENJane Street· Jun 30, 2020The Art Thief’s Window and a Toy Boat’s Return JourneySawyer · Jane StreetSawyer poses a geometric window puzzle and solves the previous episode’s river-crossing problem in two ways.
1:02:14ENLex Fridman· Jun 30, 2020Podcast · 2 speakersThe 28-year wait: Robert Langer on rejection, polymers, and a thousand studentsGuest Robert Langer · Host Lex FridmanThe MIT bioengineer talks with Lex Fridman about drug delivery, tissue engineering, patents, and the long path from a Folkman hypothesis to Avastin.
1:49:51ENLex Fridman· Jun 27, 2020Podcast · 2 speakersThe Idea Once Called a Devolution Now Powers Almost Every New ChipGuest David Patterson · Host Lex FridmanTuring Award winner David Patterson talks with Lex Fridman about RISC, RAID, Moore's Law, open hardware, and why chips without a software stack die.
5:38ENJane Street· Jun 26, 2020Wavey’s Return: Solving a River-Crossing PuzzleSawyer · Jane StreetSawyer solves the first toy-boat crossing with a 5:3 speed ratio, then asks how the answer changes when the return journey starts 60 meters downstream.
6:37ENJane Street· Jun 23, 2020Crossing the River: A Toy Boat Puzzle and a Snow-Cone SolutionSawyer · Jane StreetA toy boat drifts downstream in a steady current. Sawyer poses a navigation puzzle and solves the previous episode’s cone-and-hemisphere problem.
4:08:58ENLex Fridman· Jun 22, 2020Podcast · 2 speakersThe Man Who Named AGI Wants Superintelligence Raised on CompassionGuest Ben Goertzel · Host Lex FridmanLex Fridman talks with Ben Goertzel for four hours about OpenCog, Sophia, SingularityNET, and why a bigger neural net is not a mind.
1:27:29ENLex Fridman· Jun 20, 2020Podcast · 2 speakersResistance Is How You Know the Work MattersGuest Steven Pressfield · Host Lex FridmanSteven Pressfield tells Lex Fridman why he writes about Spartans and Alexander — and why the battle that counts is the one against his own ego.
3:35ENJane Street· Jun 19, 2020Snow Cones and Spheres: A Volume Solution and a New Geometry PuzzleSawyer · Jane StreetSawyer derives the height of a cone with the same volume as a hemisphere, then asks how to reshape the ice with minimal movement.
5:39ENJane Street· Jun 16, 2020A Snow Cone Geometry Puzzle and a Piggy Bank ProbabilitySawyer · Jane StreetSawyer poses a cone-design challenge and solves a conditional probability problem in two ways.
3:00:18ENLex Fridman· Jun 13, 2020Podcast · 2 speakersOnly a Simulation Can Be ConsciousGuest Joscha Bach · Host Lex FridmanJoscha Bach tells Lex Fridman why a neuron cannot feel anything, why existence is the default, and why this dying world is still the best level of the game.
7:03ENJane Street· Jun 12, 2020Grandma’s Secret College Fund: A Bayes’ Theorem PuzzleSawyer · Jane StreetA random $20 bill reveals information about a hidden deposit. Sawyer poses the new puzzle and solves a DMV probability problem three ways.
7:23ENJane Street· Jun 9, 2020Bayes' Theorem and a Driver's Test Probability PuzzleSawyer · Jane StreetSawyer derives Bayes' theorem, poses a question about test-takers who studied, and solves an earlier card-game probability puzzle.
8:03ENJane Street· Jun 6, 2020Real Numbers: A Taxi Challenge and Two Ways to Calculate a Sleep ProbabilitySawyer · Jane StreetSawyer poses a consecutive-taxi puzzle and solves a five-night dog-sitting problem with a probability table and a counting argument.
6:50ENJane Street· Jun 6, 2020The Perils of Dogsitting: A Probability Warm-UpSawyer · Jane StreetSawyer introduces a five-night dogsitting puzzle and reviews independence, overlapping events and complements with coins and dice.
7:15ENJane Street· Jun 6, 2020A Balanced Game of War and the Probability of Three TaxisSawyer · Jane StreetSawyer introduces conditional probability through a card-game challenge, then solves an earlier six-car puzzle in two ways.
1:12:36ENLex Fridman· Jun 5, 2020Podcast · 2 speakersKate Darling on Why We Name the Roomba and Mourn the Bomb RobotGuest Kate Darling · Host Lex FridmanAn MIT Media Lab researcher argues that our feelings about machines track the history of animal domestication — and that design can steer that instinct for better or worse.
1:29:02ENLex Fridman· May 28, 2020Podcast · 2 speakersYou Are Your Own Existence ProofGuest Karl Friston · Host Lex FridmanKarl Friston walks Lex Fridman from brain imaging to the free energy principle, arguing that anything which keeps a boundary looks as if it is doing Bayesian inference.
1:22:51ENLex Fridman· May 19, 2020Podcast · 2 speakersDensity, Not Demos: Sertac Karaman on Robots That Fly and DriveGuest Sertac Karaman · Host Lex FridmanThe MIT roboticist and Optimus Ride co-founder on why sharing space with people is harder than building the machine, and why flying at transportation scale is still the tougher problem.
1:10:16ENLex Fridman· May 15, 2020Podcast · 2 speakersMost People See the Black Dress. Stephen Schwarzman Sees the White Lint.Guest Stephen Schwarzman · Host Lex FridmanThe Blackstone co-founder on pattern recognition, why entrepreneurship is a team sport, and why the United States cannot afford to sleepwalk through AI.
4:24EN
3Blue1Brown· May 14, 2020How DP-3T Uses Bluetooth for Decentralized Contact TracingA 2020 explanation adapted from Nicky Case illustrates how phones can exchange identifiers and check exposure alerts locally.
2:12:36ENLex Fridman· May 12, 2020Podcast · 2 speakersAttacks Climb the Stack Until They Land on PeopleGuest Dawn Song · Host Lex FridmanDawn Song tells Lex Fridman why the next security crisis is human, how a sticker can rewrite a stop sign, and why data still has no property right.Load moreShowing 24 of 4,484