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A short excerpt from Werner Herzog's film Lo and Behold in which Ted Nelson lays out his ideas about hypertext and interconnection. Herzog concludes that Nelson is the only sane person in computing.

A 1984 Computer Chronicles segment in which Susan Kare explains the ergonomics and interface design of the original Macintosh. She introduces the interface step by step for newcomers.

A short clip of Richard Feynman answering an interviewer's question about how magnets work, in which he explains why a why-question has no simple answer without a shared frame of reference.

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 1979 CBC radio interview in which Ted Nelson tries to explain how computers could serve as tools for thinking and visualizing. The interviewer keeps failing to grasp the idea, and Nelson patiently answers again and again.

A short excerpt of Elon Musk, interviewed by Kevin Rose, explaining first-principles reasoning with the example of the car versus improving horse carriages. He warns it takes much more mental energy than reasoning by analogy.

Jonna Mendez, former CIA Chief of Disguise, explains how disguises are used in intelligence work and what makes deception effective, including changing one's gait.

A 30-minute edit of a conversation between Adam Curtis and Russell Brand in which Curtis explains HyperNormalisation and his ideas on individualism, power and real change.

A WSJ interview in which Apple's Craig Federighi explains Apple's CSAM scanning and child-safety features, including neural hashes and safety vouchers, and defends them against backlash.

A 1995 Letterman appearance in which Bill Gates explains the origins of Microsoft and tries to convince Dave to get a computer and get online.

A restored HD upload of the 1983 BBC series Fun to Imagine, in which Richard Feynman talks informally about everyday science. Topics include jiggling atoms, fire, rubber bands, magnets, electricity, mirrors, seeing, big numbers and ways of thinking.

A 1985 interview by G. Edward Griffin with former KGB operative Yuri Bezmenov. He describes long-running Soviet efforts at ideological subversion and manipulation of US public opinion.

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.

JetBrains interviews Zig creator Andrew Kelley about why Zig has no 1.0 after a decade, why the project left GitHub, and why it bans AI contributions. He also covers what makes Zig better than C and his views on open source.

A short Frank Zappa interview clip on the decline of the music business, contrasting old cigar-chomping executives with younger industry people.

Brian Kernighan explains how grep came to be, written overnight by Ken Thompson, and how it got its name from the ed command g/re/p. He also covers the lineage from QED to ed that led to it.

A long interview with former KGB agent Yuri Bezmenov describing what he calls ideological subversion, a process of demoralizing a nation. He claims it works by influencing academia and media over years.

Tim Dodd of Everyday Astronaut gets a close-up walkthrough of SpaceX's Raptor 2 engine from Elon Musk at Starbase. They cover how Raptor 2 was simplified and upgraded relative to Raptor 1, including cooling and thrust vectoring details.

A short clip of molecular biologist Cristina Sanchez describing her lab research on how THC affects cancer cells. It is uploaded on a channel promoting cannabis as a cancer treatment.

A clip from a 1995 Late Show with David Letterman in which Bill Gates discusses Microsoft's origins and the internet while Dave is skeptical of computers.

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.

Grady Booch interviews John Backus, who led the IBM team that created FORTRAN in 1957, for the Computer History Museum in 2006. Backus describes the development of the first successful high-level language and its compiler. The interview runs 88 minutes.

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

In Ars Technica's War Stories, Naughty Dog co-founder Andy Gavin explains how the team squeezed Crash Bandicoot onto the original PlayStation. They overwrote Sony library code in RAM, built custom animation compression, and streamed assets around slow seek times.

A short clip from a Richard Feynman interview in which he explains fire, describing how burning wood releases sunlight stored by the tree, which built itself mostly from air. It showcases his curiosity and plain-spoken explanations.

Tim Dodd of Everyday Astronaut tours SpaceX's Starbase with Elon Musk as guide. They cover the high bay, grid fins, Raptor V2, the HLS lander and stage separation, and Musk explains his engineering management process.

A standing whiteboard conversation at Lang.NEXT 2012 among Carl Hewitt, Erik Meijer and Clemens Szyperski about the actor model. Hewitt, who originated the model, explains its foundations.

A 1983 BBC interview in which Richard Feynman is asked how magnets work and explains why 'why' questions are hard to answer in everyday terms. He reflects on what counts as an explanation and the limits of analogy.

A 1968 Firing Line interview in which Milton Friedman explains the negative income tax, a proposal to replace welfare bureaucracy with direct payments.

John Oliver interviews Edward Snowden about NSA surveillance, including street interviews showing people have not thought about what the government can see. The segment famously frames the issue through private photos.

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 short clip of Richard Feynman answering an interviewer's question about why magnets repel, explaining that a 'why' question depends on a shared framework of understanding. It illustrates how hard it is to explain fundamentals to a layperson.

Ezra Klein interviews Democratic pollster David Shor, who walks through survey data and charts explaining the 2024 election results. They discuss voter shifts, the education divide and what Democrats got wrong.

A short clip of Steve Jobs at the 2010 D8 conference, interviewed by Walt Mossberg, defining privacy as people knowing what they are signing up for, in plain English and repeatedly. The discussion centered on location data.

Destin Sandlin of Smarter Every Day explains Multi-Domain Operations through footage from his last mission at RIMPAC 2018. He covers missile and torpedo testing and interviews military leaders about the cyber and information domains.

Alexei Navalny phones an FSB chemical-weapons specialist, posing as a senior official, and gets him to describe the 2020 Novichok poisoning and its cover-up. The video is in Russian; HN commenters point to English subtitles.

FTC Chair Lina Khan sits down with Jon Stewart on The Daily Show to discuss the agency's work protecting consumers from unfair business practices. Topics include the FTC's antitrust lawsuit against Amazon, healthcare industry actions, and whether tech companies are racing to control AI.

Persi Diaconis explains on Numberphile the mathematics of card shuffling, including why seven riffle shuffles are needed to randomize a deck and how different shuffles compare.

A 1996 BBC interview in which Noam Chomsky explains his propaganda model of the media to Andrew Marr, including how filters shape what journalists report and the role of self-censorship.

All six episodes of the 1983 BBC series Fun to Imagine, in which Richard Feynman muses on jiggling atoms, fire, rubber bands, magnets, electricity and more. He explains how to think about nature and why imagination is fun.