lost knowledge

Part one of a 1996 BBC Modern Times documentary on the training to become a London black cab driver. It follows candidates learning the Knowledge and facing stressful repeated exams with Public Carriage Office examiners.

A Bloomberg documentary on how Boeing's failures around the 737 Max crashes followed a shift in company culture and cost-cutting. It covers the grounding, the stock drop and questions about the company's future.

Destin Sandlin of Smarter Every Day tries to manufacture a grill scrubber entirely in the United States. Along the way he runs into missing supply chains, tooling and institutional manufacturing knowledge.

Dalibor Farny documents the hand manufacture of a nixie tube, from glassblowing to evacuation, with text notes rather than narration. He revived the lost craft of nixie tube making.

People Make Games investigates the unregulated CS:GO skin gambling economy and Valve's role in it. It includes interviews with people who lost large sums and examines why Valve does not intervene.

A five-hour documentary history of the Super Mario 64 A button challenge, which aims to beat the game with as few A presses as possible. It covers the bugs and exploits discovered over the years.

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.