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1953 videos · Page 47 of 66
Niels Jorgensen: New York Firefighters and the Heroes of 9/11 | Lex Fridman Podcast #220
Lex Fridman
Niels Jorgensen, a New York City firefighter who served for over 21 years before being forced to retire due to leukemia contracted from cleaning up Ground Zero on September 11, 2001, recounts his harrowing experiences and the profound impact of that day. On that bright Tuesday morning in late summer, Jorgensen was driving an oil truck when he heard news reports of a plane striking the World Trade Center; initially dismissing it as turbulence or a pilot error, he soon saw thick black smoke rising from Manhattan.…
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Jul 30
Douglas Lenat: Cyc and the Quest to Solve Common Sense Reasoning in AI | Lex Fridman Podcast #221
Lex Fridman
Douglas Lenat, creator of the CYC project launched in 1984 at Stanford University, explains his decades-long mission to solve the core problem of artificial intelligence: acquiring common sense knowledge and using it for reasoning. He argues that early AI systems failed because they lacked a solid foundation of world knowledge, behaving like clever dogs performing tricks without understanding them.…
EN
Jul 30
Jay McClelland: Neural Networks and the Emergence of Cognition | Lex Fridman Podcast #222
Lex Fridman
Jay McClelland, a cognitive scientist at Stanford and a seminal figure in artificial intelligence, identifies the most beautiful aspect of neural networks as their ability to bridge biology with the mysteries of thought. His journey began in the late 1960s when he rejected the prevailing view that studying neuronal structures was peripheral to understanding the mind, arguing instead for an embodied approach rooted in Darwinian evolution and physical reality.…
EN
Jul 30
Travis Stevens: Judo, Olympics, and Mental Toughness | Lex Fridman Podcast #223
Lex Fridman
Travis Stevens, a 2016 Olympic silver medalist in judo and one of America's greatest practitioners, shares his journey defined by decades of injury battles, heartbreaking losses at the 2008 and 2012 Olympics, and an unwavering pursuit of perfection.…
EN
Jul 30
Travis Oliphant: NumPy, SciPy, Anaconda, Python & Scientific Programming | Lex Fridman Podcast #224
Lex Fridman
Travis Oliphant, a pivotal figure in scientific computing who created NumPy, SciPy, and Anaconda, recounts his journey from writing simple BASIC loops on an Atari 800 as a child to developing foundational Python libraries that enabled tensor-based machine learning. His initial attraction to programming stemmed from the problem-solving aspect of mathematics rather than video games or data manipulation alone.…
EN
Jul 30
Jeffrey Shainline: Neuromorphic Computing and Optoelectronic Intelligence | Lex Fridman Podcast #225
Lex Fridman
In this episode of the Lex Fridman Podcast, Jeffrey Shainline from NIST explores the architecture for optoelectronic intelligence and neuromorphic computing that leverages light for communication alongside electronic circuits for computation. The discussion begins with a review of silicon microelectronics, explaining how transistors function by controlling electron flow through doped semiconductor lattices to create digital ones and zeros.…
EN
Jul 30
Jo Boaler: How to Learn Math | Lex Fridman Podcast #226
Lex Fridman
In this episode of the Lex Fridman Podcast, Stanford mathematics educator Jo Boaler argues that mathematics should be viewed as a creative, multi-dimensional subject rather than a rigid set of procedures with single correct answers. Boaler emphasizes that beauty in math emerges from exploring multiple solutions and visualizing problems through various pathways—algebraic, geometric, or physical—which strengthens neural connections in the brain.…
EN
Jul 30
Sean Kelly: Existentialism, Nihilism, and the Search for Meaning | Lex Fridman Podcast #227
Lex Fridman
Sean Kelly, a philosopher at Harvard specializing in existentialism and phenomenology, defines the movement not merely as a mid-20th-century French trend associated with figures like Jean-Paul Sartre, Albert Camus, Simone de Beauvoir, Martin Heidegger, and Friedrich Nietzsche, but as a broader historical inquiry into human existence.…
EN
Jul 30
RZA: Wu-Tang Clan, Kung Fu, Chess, God, Life, and Death | Lex Fridman Podcast #228
Lex Fridman
In this profound conversation, RZA reflects on his mother's passing and how it fundamentally altered his understanding of life, mortality, and spirituality. He describes her death not just as a physical loss but as severing an "etheric cord" that connected him to the universe, forcing him to confront his own immortality versus the mortality of his physical form. This realization brought him immense joy rather than fear, allowing him to appreciate every moment fully.…
EN
Jul 30
Richard Wrangham: Violence, Sex, and Fire in Human Evolution | Lex Fridman Podcast #229
Lex Fridman
Biological anthropologist Richard Wrangham argues that while humans share a deep evolutionary history with chimpanzees and bonobos, our species has undergone a remarkable reduction in reactive aggression compared to these relatives.…
EN
Jul 30
Kelsi Sheren: War, Artillery, PTSD, and Love | Lex Fridman Podcast #230
Lex Fridman
Kelsey Sharon, a Canadian Forces veteran who served in Afghanistan at age eighteen and returned with severe PTSD, shares how her family history of silence regarding World War II trauma influenced her perspective on human stories.…
EN
Jul 30
Alex Gladstein: Bitcoin, Authoritarianism, and Human Rights | Lex Fridman Podcast #231
Lex Fridman
In this episode of the Lex Fridman Podcast, Alex Gladstein, Chief Strategy Officer at the Human Rights Foundation (HRF), argues that negative rights—such as free speech, freedom of assembly, and privacy—are more fundamental than positive entitlements like housing or healthcare.…
EN
Jul 30
Brian Greene: Quantum Gravity, The Big Bang, Aliens, Death, and Meaning | Lex Fridman Podcast #232
Lex Fridman
In his book *Until the End of Time*, theoretical physicist Brian Greene addresses a bleak perspective on existence attributed to Bertrand Russell, who argued that scientific evidence points toward universal death and decay driven by the second law of thermodynamics. While acknowledging this physical reality where entropy inevitably increases over cosmological timescales, Greene reframes it as an opportunity for wonder rather than despair.…
EN
Jul 30
Carl Hart: Heroin, Cocaine, MDMA, Alcohol & the Role of Drugs in Society | Lex Fridman Podcast #233
Lex Fridman
In this episode of the Lex Fridman Podcast, Carl Hart, a professor at Columbia University and author of *Drug Use for Grown-Ups*, challenges conventional wisdom regarding drug addiction by arguing that it is primarily driven not by the substances themselves but by co-occurring psychiatric disorders like depression and schizophrenia, as well as socioeconomic factors such as unemployment and resource deprivation.…
EN
Jul 30
Pixel 6 AI explained | Lex Fridman
Lex Fridman
In this discussion of the new Pixel 6 Pro, Lex Fridman explores how Google's latest smartphone leverages a computationally intensive neural network running in real-time via TensorFlow Lite and its dedicated Tensor chip. Framing the device as more than just a phone but rather an engineering step toward superhuman intelligence, he draws parallels to Pandora's box regarding the mystery and power of AI.…
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Jul 30
Stephen Wolfram: Complexity and the Fabric of Reality | Lex Fridman Podcast #234
Lex Fridman
In this episode of the Lex Fridman Podcast, computer scientist and mathematician Stephen Wolfram revisits his foundational work on complexity from nearly twenty years ago, specifically addressing how intricate natural forms arise without complex engineering inputs.…
EN
Jul 30
Michael Mina: Rapid COVID Testing | Lex Fridman Podcast #235
Lex Fridman
In this episode of *The Lex Fridman Podcast*, Harvard professor Michael Mina argues that rapid at-home antigen testing represents the most powerful, doable solution to the COVID-19 pandemic, a stance he has maintained since May 2020.…
EN
Jul 30
Jimmy Pedro: Judo and the Forging of Champions | Lex Fridman Podcast #236
Lex Fridman
In this episode of the Lex Fridman Podcast, legendary American judoka Jimmy Pedro shares insights into his four Olympic appearances (1992, 1996, 2000, and 2004), where he won bronze medals in both Barcelona and Sydney. A three-time world champion who claimed gold at the 1999 World Championships, Pedro discusses the technical intricacies of judo throws like *uchimata*, explaining how it combines a single-leg balance with a dynamic twist to lift an opponent over one's hip.…
EN
Jul 30
Steve Viscelli: Trucking and the Decline of the American Dream | Lex Fridman Podcast #237
Lex Fridman
Steve Viscelli, a sociologist at the University of Pennsylvania and former truck driver, explores the transformation of long-haul trucking from one of America's premier blue-collar jobs to its most difficult in his book *The Big Rig: Trucking and the Decline of the American Dream*.…
EN
Jul 30
Francis Collins: National Institutes of Health (NIH) | Lex Fridman Podcast #238
Lex Fridman
Francis Collins, Director of the National Institutes of Health (NIH) and former leader of the Human Genome Project, engages in a profound discussion with Lex Fridman regarding science's role as both a source of hope and division during times of crisis like the pandemic.…
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Jul 30
Niall Ferguson: History of Money, Power, War, and Truth | Lex Fridman Podcast #239
Lex Fridman
Neil Ferguson, a prominent historian and author of sixteen books on money, power, war, and empire, joins Lex Fridman to discuss his new initiative in Austin, Texas: The University of Austin (UATX). Launched with an advisory board including figures like Stephen Pinker and Jonathan Haidt, the university aims to address what Ferguson describes as a "drastic chilling" atmosphere in modern higher education.…
EN
Jul 30
Neal Stephenson: Sci-Fi, Space, Aliens, AI, VR & the Future of Humanity | Lex Fridman Podcast #240
Lex Fridman
In this episode of *The Lex Fridman Podcast*, legendary science fiction author Neal Stephenson explores the intersection of history, technology, and human nature. Stephenson argues that while historical events often repeat themselves due to consistent patterns in human behavior—such as the rise of anger during economic collapse—the standards of living have improved dramatically over the last century through advancements like antibiotics, vaccines, and electrification.…
EN
Jul 30
Boris Sofman: Waymo, Cozmo, Self-Driving Cars, and the Future of Robotics | Lex Fridman Podcast #241
Lex Fridman
Boris Sofman, Senior Director of Engineering and Head of Trucking at Waymo, reflects on his journey from co-founding Anki to leading autonomous trucking initiatives. His early work with Cozmo was driven by a desire to bridge the gap between video games and physical reality, creating a robot that could convey deep emotion despite having only four degrees of freedom: two treads for movement, an up-and-down head, and a lifting arm.…
EN
Jul 30
Ben Askren: Wrestling and MMA | Lex Fridman Podcast #242
Lex Fridman
Ben Askren, a two-time NCAA Division I wrestling national champion and former undefeated MMA fighter until his loss to Jorge Masvidal, joins Lex Fridman to discuss his recent boxing match against Jake Paul. Although Askren felt Tyron Woodley was the superior boxer due to better footwork and aggression compared to Paul's volume, he acknowledged that Paul is a solid amateur who put in significant time training for the sport.…
EN
Jul 30
Kevin Systrom: Instagram | Lex Fridman Podcast #243
Lex Fridman
Kevin Systrom, co-founder and former CEO of Instagram, recounts the platform's origin story within the context of the 2010 check-in app boom, which included competitors like Gowalla and Foursquare. While initially attempting to build a better version of these location-based services by adding minor features, Systrom realized that simply checking in was not enough; users craved something more visual and immediate.…
EN
Jul 30
Robert Crews: Afghanistan, Taliban, Bin Laden, and War in the Middle East | Lex Fridman Podcast #244
Lex Fridman
Robert Crews, a historian at Stanford specializing in Afghanistan, Russia, and Islam, argues on Lex Fridman's podcast that the United States' 2001 invasion of Afghanistan was fundamentally a mistake driven by panic rather than strategic foresight following the September 11 attacks. He contends that the George W.…
EN
Jul 30
Tom Brands: Iowa Wrestling | Lex Fridman Podcast #245
Lex Fridman
In this conversation with Lex Fridman, Olympic champion and legendary coach Tom Brands reflects on his career-defining philosophy centered on a hatred of losing rather than a love for winning. Brands recounts that after winning gold in Atlanta in 1996, he returned home to mow the lawn without fanfare, illustrating his pragmatic approach where victory was simply the result of hard work and avoiding defeat.…
EN
Jul 30
Peter Woit: Theories of Everything & Why String Theory is Not Even Wrong | Lex Fridman Podcast #246
Lex Fridman
In this episode of the Lex Fridman Podcast, theoretical physicist Peter Woit engages in a deep discussion regarding the intersection and distinctions between mathematics and physics. While acknowledging that these fields are often treated as separate disciplines—mathematics focusing on rigorous proofs of abstract concepts and physics centered on experimental testing—they share significant overlap, particularly in areas like group theory, geometry, curvature, and topology.…
EN
Jul 30
Jamie Metzl: Lab Leak Theory | Lex Fridman Podcast #247
Lex Fridman
Jamie Metzl, an expert in genetic engineering and geopolitics, argues on Lex Fridman's podcast that it is more likely than not—estimating a probability of around 85% to 90%—that COVID-19 originated from an accidental laboratory incident at the Wuhan Institute of Virology rather than through natural zoonotic spillover.…
EN
Jul 30
The biggest chess game ever
Lex Fridman
The video presents a unique and expansive chess match played between two artificial intelligence engines, both possessing capabilities far surpassing any human player on Earth. Unlike traditional games confined to standard rules, this contest takes place on an effectively infinite board where pieces are captured not merely as tactical losses but as entities that move on to find new victims in neighboring areas.…
EN
Jul 30