excel

A 1953 US Navy training film explaining the basic mechanisms in mechanical fire control computers aboard ships. It shows how gears, differentials and cams solved mathematical problems in permanent mechanical form.

A feature-length documentary on how the City of London and Britain's overseas territories built a global web of offshore secrecy jurisdictions after the empire declined. It traces how this network captured and hid wealth from around the world.

Valve's two-hour documentary for Half-Life 2's 20th anniversary, with team members discussing development, nearly running out of money, being hacked, the publisher lawsuit and the birth of Steam.

Machine Thinking tells the story of the Cold War Heavy Press Program, the giant forging presses that make parts for aircraft, missiles and turbines.

Cathode Ray Dude's hour-long retrospective on the ABIT BP6, the dual-Celeron motherboard. He covers early multiprocessing, its legend, a build, running NT 4, benchmarks and the pros and cons of early SMP.

Gaming Historian recounts how Alexey Pajitnov created Tetris in the Soviet Union and how a fight over publishing rights spanned the West, Mirrorsoft, Nintendo and the Cold War. It runs about an hour with chaptered parts.

Part one of Sandia National Labs' first-person documentary on the use control, detonation safety and survivability of US nuclear weapons. It covers nuclear sharing in NATO and how control of use was separated from possession, leading to the always/never problem.