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An Onion News Network satirical segment about a memorial dedicated to the future victims of a dam that officials know will fail. It is a dark joke about known infrastructure risk and inaction.

A clip of the Yes Men posing as a Dow Chemical spokesman on the BBC and announcing compensation for victims of the Bhopal disaster, a hoax on live television.

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

Kirk Sorensen's Google Tech Talk on liquid-fluoride thorium reactors, a design that could burn nuclear waste and use thorium as fuel. It draws on Oak Ridge National Laboratory work from the 1950s and 60s.

A score-following video of Iannis Xenakis's 1950s orchestral piece Metastasis, showing his graphic, mathematically derived notation as the music plays. It is a landmark of post-war modernist composition.

Gameplay footage of the original 1986 Macintosh version of Dark Castle by Silicon Beach Software. The uploader argues the original is a great game that was tarnished by inferior ports.

A segment from the animated film The Twelve Tasks of Asterix, in which Asterix must get Permit A 38 from a maze-like building run by unhelpful bureaucrats. He wins by asking for a nonexistent permit.

A Red Dwarf clip where Kryten fixes a toaster and finds it to be the most annoying machine in the universe, endlessly offering toast.

The famous scene from The Graduate in which a family friend gives Benjamin the career advice 'one word: plastics'. It is a roughly one-minute film clip.

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

A kiai master offers a 5000 dollar challenge that he can beat any MMA fighter, and his supposed energy techniques have no effect on the fighter.

Randy Pausch's 2007 last lecture at Carnegie Mellon, given as he was dying of pancreatic cancer. He reflects on achieving childhood dreams, overcoming obstacles and helping others reach theirs.

A Google Tech Talk by the author of Kilim, a Java library for lightweight actor-style message passing. It argues that message passing can replace shared-memory concurrency and claims performance competitive with or better than Erlang for huge numbers of actors.

The official music video for Daft Punk's Harder, Better, Faster, Stronger, taken from Discovery. It is a chapter of the anime film Interstella 5000 supervised by Leiji Matsumoto.

A clip from BBC's Last Chance to See in which Stephen Fry and Mark Carwardine meet Sirocco, a kakapo, who famously tries to mate with Carwardine's head. The kakapo is a critically endangered flightless New Zealand parrot.

A roughly three-minute Onion News Network satire in which a host consoles a severely depressed zoologist who spent his whole life studying anteaters. It is a short comedy sketch about wasted effort and misplaced obsession.

The official remastered music video for Queen's Another One Bites the Dust from The Game (1980).

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

A short video built around an animation of the roughly 10,000 galaxies in the Hubble Ultra Deep Field, placed at their measured redshift distances. It gives a brief history of deep field images and ends with a 3D fly-through.

A subtitled edit of the 1987 Max Headroom broadcast signal intrusion, in which hijackers interrupted Chicago stations WGN and WTTW.

The American Museum of Natural History's film flies from the Himalayas out through the atmosphere and solar system to the afterglow of the Big Bang, using its Digital Universe Atlas four-dimensional map.

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.

A 1996 clip of Steve Jobs saying that Microsoft lacks taste and is not a creative company.

A 2006 television appearance in which Peter Schiff warns on Kudlow & Co about the housing bubble and an approaching US economic collapse.

A five-minute clip of Ira Glass on the gap between good taste and early creative work. He says beginners know their work falls short and must keep producing to close the gap.

Van Jacobson's 2006 Google Tech Talk argues that networking should be rethought around named data rather than host-to-host conversations. He contrasts the circuit and datagram views of the internet and sketches content-centric networking as a replacement for the location-centric TCP/IP model.

Lawrence Krauss's 2009 talk on the current picture of the universe, how it will end and how it could have come from nothing. It covers the expanding universe, cosmic background radiation and the cosmological constant.

Carl Sagan's narration of the Pale Blue Dot passage, reflecting on the Voyager photograph of Earth as a tiny speck in space. It is a short meditation on humanity's smallness and shared home.

Van Jacobson's 2006 Google Tech Talk argues for rethinking networking around named data rather than host-to-host connections. He gives the history and the unsolved problems of the current internet architecture.

A short animation reconstructing a planet's looping orbit using Ptolemy's epicycles and deferents, with the epicycles tracing out the face of Homer Simpson. It shows how enough circles can reproduce nearly any shape.

A short comparison of the retail release of Metallica's Death Magnetic against the Guitar Hero 3 version of the same song. It switches between the two so you can hear and see the heavy clipping in the retail master.

A Symphony of Science music video that auto-tunes samples of Carl Sagan, Richard Feynman, Neil deGrasse Tyson and Bill Nye into a song about the wonder of the universe.

The Galaxy Song from Monty Python's The Meaning of Life, a comic musical tour of the size and motion of the galaxy and our place in it.

George Carlin's stand-up routine arguing the planet will be fine and it is people who are in trouble. It mocks the idea of saving the planet.

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.

The 1951 US civil defense film 'Duck and Cover', starring Bert the Turtle, which taught schoolchildren to drop and shield themselves during a nuclear attack. It was shown to millions of children and is preserved in the National Film Registry.

A comedy video in which a salesperson demands that a web developer fix a down website, with the two talking past each other. It won a Webby award.

The Geopolymer Institute presents Joseph Davidovits's theory that the Egyptian pyramids were built from cast artificial limestone, a geopolymer concrete, rather than carved blocks. It demonstrates how few people could make blocks.

Douglas Adams gives a talk at UCSB, recorded shortly before his death, about the odd lives of animals and what they suggest about humanity's future. It draws on his Last Chance to See work and is funny and wide-ranging.

A short demo of real-time sparse voxel octree rendering, shown by Jon Olick at Siggraph 2008. It shows a detailed model rendered by ray casting through the octree.