always/never

A six-minute excerpt from Steve Jobs' 1995 Lost Interview on why a great idea does not automatically become a great product. He says ideas change substantially once you actually build them.

Lex Fridman interviews legendary chip architect Jim Keller about Moore's Law, microprocessor design, and first-principles thinking. Keller draws on his work at AMD, Apple, Tesla and Intel, discussing instruction sets, transistor budgets, and self-driving.

A three-minute clip of Jeff Bezos describing his Regret Minimization Framework: imagining yourself at 80 to decide whether to leave a Wall Street job to start Amazon.

A two-minute clip of Richard Feynman explaining why he considers much of social science pseudoscience. He stresses how easy it is to fool yourself and how much care real knowledge takes.

A /noclip interview with Tarn Adams of Bay 12 Games about Dwarf Fortress: where the ASCII simulation came from, how it works, and the plans for its Steam release. It includes his telling of the famous bug in which cats were poisoned by alcohol.

A two-minute clip from a 1994 interview with Steve Jobs by the Santa Clara Valley Historical Association. Jobs talks about failure and about how most people never ask for help, recalling that he simply called people to ask.

A three-minute clip of Steve Jobs arguing that great products come from people who care about content rather than process. He says process-focused people take over and cause decline, citing IBM as an example.

Adam Neely interviews Damien Riehl and Noah Rubin about their project to generate and copyright every possible melody as MIDI. The video explains their reasoning and how it bears on music copyright lawsuits.

A three-minute excerpt of a Steve Jobs interview in which he describes how monopolies let sales and marketing people displace product people, rotting a company's product sensibility, with Xerox as the example.

A clip from the documentary Page One in which New York Times reporter David Carr interviews and confronts the founders of Vice magazine over their media deal. It captures tension between old and new media in 2010.

A clip from the BBC Fun to Imagine series in which Richard Feynman is asked how magnets work and explains why 'why' questions depend on a shared framework of understanding and cannot always be answered in layman's terms.

A short CNN clip of Peter Thiel telling Google chairman Eric Schmidt that Google has huge cash reserves and does not know how to invest them. Thiel argues this signals a lack of innovation.

A student interviews Kirsten Carlson, who does not have an internal monologue, and she answers questions about how she thinks. The video grew out of a viral article about people lacking inner speech.

Grace Hopper appears on Letterman and uses a foot-long piece of wire to show how far light travels in a nanosecond.

John Conway talks in a short Numberphile interview about his mixed feelings toward the Game of Life, his most famous invention. He says he is not especially pleased that it overshadowed his other work.

A short clip of Steve Jobs explaining how sales and marketing people take over mature companies from product people, leading to product decline.

Pierre Sprey, a designer of the F-16 and A-10, explains why he thinks the F-35 will not hold up on the modern battlefield. It is part one of a series of F-35 critique videos.

Brady Haran interviews Brother Guy Consolmagno, director of the Vatican Observatory, for Sixty Symbols. It is part of a three-video set along with the observatory's telescopes and its meteorite collection.

Lex Fridman's long interview with Chris Lattner, creator of LLVM and Swift, covering the future of computing and programming languages. It touches on compilers, hardware, and his work at Apple, Tesla, Google and SiFive.

Ross Douthat interviews Peter Thiel about technological stagnation, AI, longevity, space travel and politics. Thiel also lays out his framing of the Antichrist as a risk of civilizational stagnation.

Steve Yegge is interviewed at Google's Kirkland office about the birth, growth and future of his Rhino on Rails project, a Rails clone on the Rhino JavaScript engine, and other web development topics.

A 1956 episode clip of the game show I've Got a Secret in which 95-year-old Samuel J. Seymour appears as the mystery guest. He was the last living eyewitness to Lincoln's assassination at Ford's Theater, and the panel tries to guess his secret.

A clip from a BBC interview in which Richard Feynman is asked why magnets repel and attract. He explains that "why" questions depend on what a person already accepts as fundamental.

A short clip in which Carl Icahn tells the story of his first activist investment and of firing 12 floors of people, arguing activism need not be short term.

A two-minute 1981 interview clip in which Richard Feynman answers an artist friend who claims science takes the beauty out of a flower. Feynman argues that understanding adds to beauty and mystery.

A one-minute clip from the All Things D conference in which Steve Jobs says Apple is fundamentally a software company, with iPod, Mac and iPhone all being software. He says the hardware is where the money is but the value is in the software.

In a short interview clip, physicist Murray Gell-Mann talks about working alongside Richard Feynman at Caltech. He describes how the two men clashed in personality and image despite similar brilliance.