react

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.

A short clip of 1980s news coverage in which people react angrily to new drunk driving laws, with some calling them communist.

A short Bloomberg clip from the 2018 UN General Assembly. Trump warns that Germany will become dependent on Russian energy, and German delegates are shown reacting with laughter.

A one-minute clip from a cat cafe in Japan where sleeping cats wake and look around just before an earthquake begins shaking the room.

A demo of the Cubli, a 15 cm cube that uses reaction wheels to jump up onto a corner, balance there and fall in a controlled way to move. The video shows these three abilities chained into locomotion.

Randall Munroe of xkcd answers what would happen if you swam in a spent nuclear fuel pool, and how much radiation you would receive at the surface versus at depth.

A University of Tokyo demo of a rock-paper-scissors robot that always wins, using high-speed vision to read the human hand and respond faster than people can perceive.

A one-minute Steve Summers clip of Willy Wonka saying no, don't, stop. It is a reaction meme.

Bill Hammack of engineerguy introduces his series on Michael Faraday's lectures on The Chemical History of a Candle. He describes the free companion book and the commentary and caption features that help modern viewers.

Official trailer for the documentary Into Eternity, about Finland's Onkalo repository, built to store high-level nuclear waste safely for 100,000 years. It raises how to warn and communicate with far-future humans.

A 1967 live film of Tom Lehrer performing his patter song "The Elements" in Copenhagen, reciting the chemical elements to a Gilbert and Sullivan tune. It is a short, polished example of his satirical piano-and-voice style.

Street interviews of over 50 passersby in Times Square, asked what a browser is. Many answers show people confuse browsers with search engines or the internet.

A one-minute archive video of the 2Advanced Studios v2 website from 2001, a showcase of the elaborate futuristic Flash interfaces the agency was known for.

A one-minute 2012 Microsoft television commercial for Internet Explorer 9, set to Alex Clare's 'Too Close'. It pitches a 'more beautiful web' with fast one-click access to favorite sites.

A short unscripted demo of writing FizzBuzz in JavaScript with a generator function on a steno keyboard, typos included. It gives a feel for what real coding in stenography looks like.

A short side-by-side demo of a large image loading over a slow connection in JPEG, progressive mozjpeg, JPEG XL and AVIF. It shows how each codec renders partial data.

Paul Irish explains how pointerpointer.com works. It uses a hidden canvas of colored Voronoi regions to look up which photo matches the cursor position.

Google's 2010 Chrome ad filmed web page rendering with a high-speed camera, comparing it with a potato gun, a pirate ship and lightning. It presented browser speed as Chrome's key selling point.

Daniel Radcliffe performs his party trick on The Graham Norton Show: singing Tom Lehrer's 'The Elements', the periodic table song, from memory. It is a two-minute talk-show clip.

A short experiment dissolving the aluminum of a Coca-Cola can with drain cleaner to reveal the clear plastic film lining inside.

A short PCWorld news clip from WWDC 2007 in which Steve Jobs announces Safari as the development platform for iPhone apps. Developers could build web apps with access to calling, maps and email.

A Movieclips excerpt from the 1989 film Fat Man and Little Boy in which John Cusack's character assembles a bomb core and a criticality accident occurs. It is a film dramatization of a real Manhattan Project accident.

Mozilla's short demo of Unreal Engine 3 running in Firefox, ported by Mozilla and Epic in four days using Emscripten and asm.js.

Archival 1978 Sandia footage testing shipping containers for spent nuclear fuel, including trucks ramming walls, a locomotive hitting a truck-borne cask and a rocket-propelled train crash, plus a fire test.

A short Microsoft promo comparing classic Teams with the rewritten new Teams side by side, claiming faster startup and better performance. The new version is shown taking around nine seconds to launch.

Additional camera angles of the 1988 Sandia National Laboratories rocket-sled test in which an F-4 Phantom was crashed at about 500 mph into a block of reinforced concrete. The footage shows the aircraft disintegrating against the wall.

Scene from episode 2 of HBO's Chernobyl in which an official who once ran a shoe factory is put in charge of a critical role. It shows how unqualified appointees end up in charge of technical matters.

A short video built around Douglas Crockford, creator of JSON, saying JavaScript is a flawed language and that developers should eventually move on from it. It is a brief commentary clip with little technical detail.

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 side-by-side recording by Jake Archibald of the same animation demo running in Chrome, Firefox, Safari and Servo WebRender nightlies on a 60Hz display. It shows the smoothness difference of GPU-based rendering.

An Opera browser promotional video from 2010 in which a browser races a potato in a tongue-in-cheek speed test.

A one-minute clip from Mad Men season 5 in which Don Draper tells Michael Ginsberg in an elevator that he doesn't think about him at all.

A short excerpt from Frans de Waal's TED talk showing a capuchin monkey fairness experiment in which two monkeys are paid unequally, one with cucumber and one with grapes. The shortchanged monkey reacts angrily.

A three-minute clip in which Douglas Crockford explains why he allowed the JSLint reference implementation to be used for evil. It recounts the license clause and how corporate lawyers reacted.

The earliest existing concert video of Kraftwerk, from a 1970 performance shortly after the band formed. It shows the band in its original setup and the audience's reactions.

Honda's 2003 'Cog' commercial for the Accord, a two-minute Rube Goldberg chain reaction of car parts. It was filmed practically rather than with CGI.

A short Boeing piece on the retirement of the voice behind the F/A-18 Super Hornet cockpit warning system, nicknamed Bitchin' Betty. It touches on why the stern voice alerts are used.

A one-minute clip from Frans de Waal's TED talk showing two capuchin monkeys given unequal rewards (cucumber versus grape) for the same task. The monkey receiving the lesser reward reacts with protest.

A two-minute clip of Elon Musk becoming emotional in an interview, reportedly about harsh criticism of SpaceX from astronauts.

A short clip of Hillary Clinton reacting to news of Muammar Gaddafi's death with 'We came, we saw, he died', as reposted by a news channel.