wd-40

Marcus du Sautoy of the BBC demonstrates the wisdom of the crowd, showing that averaging many guesses of jelly beans in a jar lands near the true count.

A one-minute clip from The IT Crowd in which the characters hear a jingle for a memorable emergency phone number.

Apple's WWDC 2020 keynote covering iOS, iPadOS, watchOS, privacy, tvOS and macOS, and the announcement of the move of Macs to Apple silicon. It includes demos of Rosetta translation and virtualization on ARM.

Apple's WWDC 2024 keynote introducing Apple Intelligence along with iOS 18, iPadOS 18, macOS Sequoia, watchOS 11 and visionOS 2.

Apple's full WWDC 2019 keynote, announcing iOS 13 with Dark Mode, watchOS 6, iPadOS, macOS Catalina, the new Mac Pro and the Pro Display XDR.

Project Farm tests six penetrating oils, including WD-40, PB Blaster, Liquid Wrench and an ATF and acetone mix, on rusted bolts. Liquid Wrench placed first and the homemade mix second.

In an IT Crowd episode clip, Moss and Roy convince Jen that the internet is a small black box. She believes it and carries it around.

The parody anti-piracy warning from The IT Crowd Series 2, Episode 3, a spoof of the 'you wouldn't steal a car' ads. It is a one-minute comedy sketch.

The Game Theorists analyze how PewDiePie rose to become the most subscribed channel on YouTube. The video looks at why let's plays and gaming channels thrive on the platform.

Edward Snowden appears by telepresence robot at TED2014 to discuss surveillance, privacy rights, and Internet freedom, interviewed by Chris Anderson with Tim Berners-Lee.

The full 1997 WWDC session in which Steve Jobs, newly back at Apple, takes developer questions for about an hour. He discusses OpenDoc, Microsoft, clones, Newton, advertising and Apple's strategy.

Cockpit footage of a Swiss Airbus A340 crew dealing with rising oil temperature in one engine on a Zurich to Shanghai flight, ending with a safety landing. It shows the pilots' procedures through the emergency.

CuriousMarc runs the program 'Edith' on a 1959 IBM 1401 mainframe at the Computer History Museum. The program prints a famous line-printer image on the vintage machine. The video is part retro-computing demo and part joke.

CuriousMarc and colleagues at the Computer History Museum try to compile and run a FORTRAN II program on a 1959 IBM 1401. The machine has only 16k of memory and a CPU not meant for scientific work, so success is far from guaranteed.

Numberphile's James Grime discusses highly composite numbers, nicknamed anti-primes, which have more factors than any smaller number, using 5040 as the central example. It touches on Plato and Ramanujan.

A ten-minute explainer from Hypermind on the wisdom of crowds, covering Galton's discovery and the diversity theorem. It argues that collective intelligence comes from diversity, independence and aggregation.

NonCompete's video examines the alt-right pipeline and a 'pyramid of violence' running from implicit bias through edgy racist humor to real violence. It uses the PewDiePie controversy and Charlottesville as case studies.

A short demo reel of the 1985 Silicon Graphics IRIS 2400 workstation animating flat-shaded polygons on a 68010 CPU. It shows the early SGI graphics that preceded their later fame.

A one-minute demo at the Computer History Museum's IBM 1401 restoration lab, where a program makes the machine's radio-frequency interference play tunes on an AM radio.

Apple's full WWDC 2023 keynote, covering the 15-inch MacBook Air, new Mac hardware, iOS, iPadOS, macOS, watchOS and the unveiling of Apple Vision Pro. It runs about two hours.

A three-minute clip of Steve Jobs at WWDC 1997 explaining that focus means saying no to many good ideas. It is a short answer about product strategy and its effect on people.

John Gruber interviews Craig Federighi and Greg Joswiak after WWDC 2020 about the Mac transition to Apple silicon, macOS Big Sur and iOS 14.

Thunderf00t debunks the Waterseer, a crowdfunded device that claims to condense drinking water from the air using cool ground. He argues the physics does not support its claims.

An Apple WWDC24 session introducing Embedded Swift, a subset of Swift with no runtime that targets tiny microcontrollers. It demonstrates the idea on an off-the-shelf Matter smart home device.

Netflix engineer Drew Gallatin explains how Netflix serves TLS-encrypted video at 400Gb/s from a single FreeBSD server. He covers NUMA, kernel TLS, hardware TLS offload and the memory bandwidth and PCIe bottlenecks they hit.

BBC Newsnight's exclusive interview with journalist Glenn Greenwald about Edward Snowden, the PRISM revelations, and mass surveillance by the NSA and GCHQ.

Steve Jobs's WWDC 2005 keynote segment announcing Apple's move from PowerPC to Intel processors, and revealing that Mac OS X had been secretly built for Intel all along.

The classic IT Crowd scene in which tech support answers every call with 'Have you tried turning it off and on again?'

A two-minute clip of Steve Jobs at WWDC 2007 introducing the plan for iPhone third-party apps as web apps built on Safari and Ajax. It shows the original vision before the native SDK and App Store.

A short clip of the audience at Valve's 2017 announcement of Artifact, a Dota 2 card game, reacting with visible disappointment. The footage captures the awkward silence and the logo reveal.

PewDiePie describes switching to Linux and encourages viewers to do the same. It is a casual, enthusiastic video aimed at a mainstream audience.

Mirabai Knight's PyCon 2013 talk on Plover, a free cross-platform stenography engine that lets people write at up to 240 WPM on ordinary hardware, including a demo of coding by steno.

Morphcat Games explains how they fit Micro Mages, a full-featured NES game, into 40 kilobytes. It covers compression of sprites and level layouts and other space-saving tricks.

Luis von Ahn, creator of CAPTCHA and reCAPTCHA, explains how small contributions from many people online can digitize books. He then introduces Duolingo as a way to translate the web while people learn languages.

Technology Connections explains that US household power is split-phase, with two 120V legs that combine to 240V for large appliances. It covers the breaker panel and how the system works.

Coffee Break analyzes about 40,000 videos from seven months of YouTube's trending tab. It examines whether trending is biased toward mainstream media and late-night shows.

A former fusion scientist argues why fusion power by 2040 is unrealistic, covering the physics challenges, neutron issues and optimistic company claims, with a brief note of good news.

A roughly 3.7-hour Lex Fridman podcast with Pieter Levels, the solo developer behind over 40 startups. They discuss programming, viral AI products, indie hacking and digital nomad life.

Technology Connections praises a 1940s-50s Sunbeam toaster and explains what makes a toaster well designed, drawing on a vintage Sunbeam video.

An Engineering Giants documentary episode following a British Airways Boeing 747-400 through a D-check, the heaviest maintenance inspection, in Cardiff. The aircraft is stripped down and inspected nearly everywhere.