hover test

Short US Missile Defense Agency footage of the December 2008 free-flight hover test of Lockheed Martin's Multiple Kill Vehicle. The test showed it hovering for 20 seconds while tracking a simulated target.

Misko Hevery's Clean Code Talk shows how to use object-oriented techniques such as polymorphism to remove repeated if and switch statements. The result is code that is easier to test, understand and maintain.

Footage of a Minuteman III ICBM test launch and its reentry vehicles striking the Kwajalein atoll target area. It shows the missile climbing through clouds and the warheads descending.

A Consumer Reports and IIHS crash test pitting a 2009 Chevy Malibu against a 1959 Bel Air. It shows how much better modern cars protect occupants.

Footage of an Airbus A380 engine blade-off test, in which a fan blade is deliberately released at full thrust to show the engine contains the failure.

An IIHS crash test pitting a 1959 Chevrolet Bel Air against a 2009 Malibu in a frontal offset collision for the institute's 50th anniversary. The old car's occupant space collapses while the modern car's protects its driver.

A Whitest Kids U Know sketch built around the idea that saying certain things about the President is illegal.

Footage of Boeing test pilot Tex Johnson barrel-rolling the Boeing 707 prototype over Lake Washington, followed by his explanation of the stunt.

Footage of Airbus's 2006 certification evacuation trial of the A380, in which 873 people left the aircraft within the required 90 seconds using half of the 16 doors. The test was supervised by EASA and the FAA, and one passenger broke a leg.

A short clip of Bill Clinton's grand jury testimony in which he says it depends on what the meaning of the word 'is' is. It comes from questioning about Monica Lewinsky.

An early 2009 tech test by Notch of an Infiniminer-style cave game running about 700 fps on a 256x256x64 tile map. It is the prototype that grew into Minecraft.

A short street-level clip of Joe Ades, the New York pitchman who sold vegetable peelers to crowds on the sidewalk. It shows his patter, showmanship and crowd handling in action.

Short archival footage of a USMC KC-130F Hercules making unarrested landings and takeoffs on the USS Forrestal in 1963. It is the largest and heaviest aircraft to have landed on a carrier, and the tests were judged successful but too risky for routine use.

A 2007 video of someone trying to write Perl code using Windows Vista's speech recognition, with hilariously bad results.

A 2007 video of someone trying to write Perl scripts using Windows Vista speech recognition, with comically bad results. The footage shows the recognizer repeatedly mangling commands.

The Original Caste's recording of One Tin Soldier synced to Cher's animated video. It is a protest song about war and greed.

The official music video for Rick Astley's 1987 hit Never Gonna Give You Up, the song behind the Rickroll internet prank.

The official video for Brother Ali's 'Uncle Sam Goddamn', a politically charged rap song critiquing the United States, produced by Ant.

A short clip of a Garry Kasparov press conference interrupted by a flying object in a prank. It is a brief, crude stunt video.

A short 2001 Tom's Hardware clip that runs Quake 3 on several popular CPU and motherboard combinations of the era, then removes the CPU cooler to see which chips survive. It shows how different processors handle losing their heatsink or fan.

A short clip, titled Orwell Comes to America, on reasoning and perception. One HN user links it repeatedly as the science showing human minds are bad at reasoning and do not see reality as it is.

Julia Ecklar's recording of "The Eternal Flame," a filk song about God writing the universe in Lisp, written by Bob Kanefsky. It is a geek-humor song set to a familiar tune.

Ted Nelson demonstrates Xanadu Space, his software for representing hypertext in three-dimensional space with linked, referenced content fragments.

The official video for Baba Yetu, Christopher Tin's Swahili-language choral piece written as the theme to Civilization IV. It was the first video game music to win a Grammy.

A two-minute demonstration of the loudness war, showing how heavy dynamic range compression in CD mastering makes music louder while degrading sound quality. It uses audio examples so you can hear the distortion.

Geoff Cumming uses a simulation to show how wildly the p value varies from one replication to the next because of sampling variability. He argues for estimation and confidence intervals over null hypothesis significance testing.

A two-minute Rouxbe cooking-school demo of how to heat a pan properly before cooking. It uses the Leidenfrost effect, where water beads and skates across a hot pan, to show when a stainless steel pan is ready.

James Houston's entry to Radiohead's Nude remix contest, performing the 6/8, 63bpm song on obsolete hardware such as hard drives, a dot matrix printer, a scanner and a ZX Spectrum.

A That Mitchell and Webb Look sketch in which a hospital A&E is staffed by homeopaths who dilute everything, leaving patients with nothing.

A 2007 clip in which immigration attorneys describe how they help employers run classified ads designed not to find qualified American applicants, so they can secure green cards for H-1B workers. It is presented as an exposé of the PERM process.

Short footage of a Sprint missile from the 1970s Safeguard anti-ballistic missile system launching. The uploader notes the video is not sped up and that this is how fast it takes off.

A one-minute clip of Miss Teen USA 2007 contestant Miss South Carolina giving a rambling, incoherent answer to a pageant question. It became a widely shared internet meme.

A one-minute clip of the Warcraft II sound card test in setup, where the test sample plays and the voice says the sound card works perfectly.

Footage of DC-X Flight 8 from July 1995 at White Sands, in which the Delta Clipper Experimental reusable rocket turned over into a re-entry profile and re-oriented itself for landing.