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The full webcast of SpaceX's Falcon 1 Flight 4, the first privately developed liquid-fueled rocket to reach orbit, on 28 September 2008. It includes the crew's cheering and Elon Musk's statement afterward.

A PBS clip in which Richard Feynman explains the strange nature of light and electromagnetic radiation. He conveys how little of it we actually see and how radio waves are present everywhere.

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.

A one-minute clip from Richard Feynman's 1979 Auckland lecture in which he answers whether you see an object or only its light. It is a short, playful take on perception and on the use of philosophy.

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.

Short footage of the 1983 Soyuz T-10-1 pad fire, in which the launch escape tower pulled the crew away seconds before the rocket exploded.

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.

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.

The SIGGRAPH 2005 demo of dual photography from Stanford, which swaps the roles of projector and camera to render a scene from the light's point of view. It includes the reveal of a hidden playing card.

Tom Lehrer performs his satirical song about rocket scientist Wernher von Braun, with an introduction, in a short clip posted for the Apollo 11 anniversary. It lampoons von Braun's moral flexibility.

A short EDS television commercial that shows an airplane being built while it is in flight. It is an early use of the 'building the plane as it flies' metaphor.

Top Gear segment in which Hammond and May try to turn a Reliant Robin into a space shuttle. Launching is easy, but landing it safely is the problem.

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.

Amateur footage of a Thomsonfly 757 ingesting a bird on takeoff from Manchester, with a flaming engine and a safe return, with 233 people aboard.

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.

Air traffic audio of a pilot slurring and incoherent while declaring an emergency due to extreme hypoxia, with controllers at Cleveland Center struggling to understand him.

A short clip of a jet-powered flying lawnmower, the Sky Cutter, and related RC flying lawnmowers.

Cockpit camera footage of a jet hitting a bird after takeoff, losing its engine and the crew ejecting. Commenters note it is actually a Canadian CT-155 Hawk despite the F16 title.

A short clip from a Richard Feynman interview in which he explains fire, describing how burning wood releases sunlight stored by the tree, which built itself mostly from air. It showcases his curiosity and plain-spoken explanations.

Earliest known footage of Ivan Sutherland's MIT PhD work, Sketchpad, the first computer graphics system, with commentary by Alan Kay. It shows light-pen drawing with constraints in a short clip.

Bobby McFerrin uses audience participation at a World Science Festival event to demonstrate how instinctively people follow the pentatonic scale.

A short film about the Erlang language, showing telecom systems built from lightweight processes and demonstrating hot code swapping. It is an edited version of the original Ericsson video.

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.

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.

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 short clip of Richard Stallman singing the free software song, recorded during a visit to Ecuador.

A short BBC clip narrated by David Attenborough showing crows in Japan using city traffic to crack nuts, dropping them at intersections and retrieving them when the light changes.

A one-minute clip of Richard Feynman playing bongos with his best friend.

A satirical Onion news segment announcing a Google feature that lets users opt out of Google's data collection by moving to a remote village without Google products or sunlight.