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Boston Dynamics' March 2008 video of BigDog, a four-legged robot, walking on ice and snow, climbing rubble and recovering from slips and kicks.

Press conference footage in which the suspects in the 2007 Boston Mooninite bomb scare answer questions about 1960s and 1970s hairstyles.

Washington Post video of the experiment in which violinist Joshua Bell played incognito at a D.C. metro station. It asks whether commuters would notice a world-class musician in an ordinary setting.

A short clip from Carl Sagan's Cosmos in which he explains how Eratosthenes measured the circumference of the Earth using shadows in two Egyptian cities. It is a clear, visual account of an ancient scientific feat.

An Onion News Network satire about Prague's Kafka International being ranked the most alienating airport because of delays, bureaucratic staff, and an oppressive atmosphere.

Footage from the Macworld Boston 1997 keynote where Steve Jobs announces Apple's deal with Microsoft, with Bill Gates appearing on the big screen. The almost bankrupt Apple took Microsoft's investment, and the crowd reacted badly, including booing over Internet Explorer as the default browser.

A restored recording of Steve Jobs unveiling the original Macintosh in 1984, including the moment it is taken out of its bag and speaks. The upload comes from the team that rediscovered and restored the lost footage.

Johnny Chung Lee shows how infrared light pens and a Wii Remote can make a very low-cost multi-point interactive whiteboard or tablet display. Software is available for download.

Nate Harrison's 2004 video history of the Amen Break, a six-second drum sample from a 1969 b-side that became the basis of hip-hop sampling, jungle and drum and bass. It is also a meditation on cultural ownership and creativity.

Part 1 of a lecture by physicist Albert Bartlett on the exponential function and its consequences for population growth, resource use and energy. It argues that steady growth rates quickly lead to enormous quantities.

A short upload of the classic ICQ notification sounds, such as the 'uh-oh' message alert.

The 1994 music video for Edie Brickell and New Bohemians' 'Good Times'. It became widely known as one of the bonus videos on the Windows 95 CD-ROM.

Elizabeth Warren's 2007 Berkeley lecture, when she was a Harvard law professor, on why middle-class families are under growing financial strain. She draws on bankruptcy research to examine rising costs of housing, health care and education.

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.

The Kodak Carousel pitch scene from the Mad Men season finale, in which Don Draper sells nostalgia through a slide projector. It runs about three minutes.

A two-minute clip from the film Fight Club in which the narrator, a former recall coordinator, explains the formula companies use to decide whether a recall costs more than paying out settlements.

A sketch from the Seattle comedy show Almost Live! in which Pat Cashman plays a US Bell rep explaining the new 425 area code. It first aired in 1997.

Mike Rowe, host of Dirty Jobs, shares stories from messy real-world jobs in this TED talk. He argues that hard work has been unjustly degraded in society.

A short clip of Oracle CEO Larry Ellison, speaking to financial analysts in September 2008, questioning what cloud computing even means. He calls it a fashion-driven buzzword.

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.

The classic MrWeebl animated music video Badgers, a short looping song of badgers, a mushroom and a snake. It is a staple of early internet absurdist humor.

A short clip from Microsoft's 1995 Judgement Day event in which Bill Gates is inserted into Doom as a promo for Windows 95 and DirectX gaming. It was never publicly released at the time.

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.

A short clip of Steve Ballmer at a Microsoft event chanting "developers" over and over. It became a lasting internet meme.

A short, absurd happy-hardcore song and animation celebrating the Bagger 288, the enormous bucket-wheel excavator, in dramatic over-the-top terms.

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

A very short clip of George W. Bush's garbled 'fool me once' line.

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.

The original Rickroll video, the bait-and-switch link prank built on Rick Astley's 'Never Gonna Give You Up'.

A short spoof of a nature documentary shows spiders building webs after being given various drugs. It is an early internet comedy classic.

The 1992 SIIA anti-piracy rap video Don't Copy That Floppy, warning kids against copying software, remastered and uploaded.

The mostly unmodified clip from Star Trek II: The Wrath of Khan in which Kirk screams 'Khaaan!'

Peter Schiff, during his 2010 Senate campaign, argues that government loan programs and subsidies push college tuition up.

Economist-comedian Yoram Bauman delivers a humorous translation of Mankiw's ten principles of economics for the uninitiated. It was presented at the AAAS humor session in 2007.

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.

A 2006 Google Tech Talk by Robert Bussard on inertial electrostatic confinement (polywell) fusion as a cheap, clean alternative to conventional thermonuclear reactors. He argues it could be made viable with modest funding.

MC Frontalot's nerdcore rap about the text adventure Zork, made for Jason Scott's Get Lamp documentary and featuring a cameo by Steve Meretzky. It was filmed over an evening in a basement.

The first installment of a hobbyist's video diary documenting his build of a giant walking spider-like vehicle. The footage is casual and self-shot, following the early stages of the project.

Audio clips of the intro and technology quotes from the 1999 strategy game Sid Meier's Alpha Centauri, in male and female voices, covering techs 0 through 24.

Michael Wesch's five-minute video about Web 2.0, showing how the read/write web, XML and user-generated content change how people create and share information.