rock

Destin Sandlin tours United Launch Alliance's rocket factory with CEO Tory Bruno, showing friction stir welding, structural rocket skins and large milled parts.

A very long, detailed look at the A4/V2 rocket turbopump, the steam-turbine-driven twin propellant pump system. It covers the peroxide and permanganate catalysis that drives the turbine. This is part 1 of a series on V2 components.

A 1966 NASA safety film teaching workers how to handle toxic rocket propellants such as hydrazine and nitrogen tetroxide. It explains the hazards of these corrosive, flammable and toxic chemicals and what to do after contamination.

A 2008 documentary by Brett Whitcomb about the Rock-afire Explosion, the animatronic band built for ShowBiz Pizza Place restaurants. It follows the band's history and the fans who keep the machines and their technology running.

A BBC Four documentary following Alan Bond and Reaction Engines as they pursue the Skylon spaceplane and its SABRE engine. It covers the history from HOTOL and the heat-exchanger breakthrough.

The first episode of Clickspring's series on reproducing the Antikythera Mechanism by hand, laying out the plan and the history. The series follows a machinist building the ancient Greek device with traditional tools and methods.

A Channel 4 Equinox documentary on the NK-33 engines built for the Soviet N1 moon rocket and how they ended up in the USA. It includes rare footage and interviews with veterans of the early Soviet space program.

A 1968 NASA film from the US National Archives explaining why the US needed a nuclear rocket and how the engine works. It also shows combined nuclear and chemical stages for a manned Mars mission.

A short film in which friends build the first true-to-scale model of the solar system, with full planetary orbits, on a Nevada dry lakebed. It conveys the real distances and sizes involved.

An HBO special in which Jerry Seinfeld, Chris Rock, Ricky Gervais and Louis CK discuss the craft of stand-up comedy. They talk about writing jokes, technique and how they handle old material.

A CBS News (60 Minutes) profile of free solo climber Alex Honnold, who scales sheer rock faces without ropes. Lara Logan reports on his climbing and his apparent lack of fear, including his Half Dome ascent.

A Hagerty documentary on a 1979 Lamborghini Countach LP400 S and how it ended the Cannonball Baker Sea-to-Shining-Sea Memorial Trophy Dash. It tells the story of the illicit race started by Brock Yates and its Hollywood adaptation.

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.

The first episode of CuriousMarc's series restoring a real Apollo Guidance Computer, led by AGC expert Mike Stewart. They set up a makeshift lab in a Houston hotel room to open up a rare machine owned by a private collector.

NASA JPL engineers explain the final minutes of the Curiosity rover's entry, descent and landing on Mars, which combined aerobraking, a parachute and a skycrane. It lays out the tight sequence of events that all had to work automatically.

Rob Scallon explores a five-story pipe organ, the largest in the Midwest, with organist John Sherer. The half-hour tour covers most of the instrument and how it works.

A documentary following Robert Zubrin and the Mars Society as they push the Mars Direct plan for sending humans to Mars using current technology and local resources. It also covers the clash with NASA's more expensive approach.

A Pitchfork TV documentary following Dan Deacon in Montana as he finishes his album Bromst. It shows the experimentation behind it, including pieces written for MIDI-driven player pianos.

CuriousMarc's Apollo Guidance Computer restoration series looks at core rope memory, the ROM that held the Moon landing programs. Mike Stewart builds a custom reader to recover lost AGC programs.

Urban explorers break into the Baikonur cosmodrome in Kazakhstan to film the abandoned Soviet Buran space shuttles. The video shows the decaying orbiters and the dangerous trip to reach them.

Trailer for the documentary It's Quieter in the Twilight, shown at the Boston SciFi Film Festival. The film follows the engineers who keep the Voyager spacecraft running.

In her final days as ISS commander, Sunita Williams gives an extensive tour of the station's modules and research facilities, narrating the work done aboard.

NASA Goddard recreates the Apollo 8 Earthrise moment using Lunar Reconnaissance Orbiter data, narrated by Andrew Chaikin and synced with the astronauts' recorded conversation. It marks the flight's 45th anniversary.

A NASA video on the 29 days after the James Webb Space Telescope's launch, when thousands of parts must deploy in sequence on the way to its destination a million miles away.

A short film of Alex Honnold free soloing El Sendero Luminoso, a 2,500-foot route in El Potrero Chico, Mexico, in a little over three hours with no rope. It was made by The North Face with climbing footage and music.

An animated documentary by Paul Grignon explaining how modern money is created through bank lending as debt. This is a combined upload of the revised 2009 edition.

A documentary on how GraphQL came to be at Facebook, featuring its co-creators Lee Byron, Dan Schafer and Nick Schrock. It covers the problems it solved and its adoption at companies like Twitter, Airbnb and GitHub.