knowledge loss

Medlife Crisis asks whether academic research should sit behind paywalls, covering publisher profit margins, unpaid reviewers, Sci-Hub and Aaron Swartz. It includes an interview with Sci-Hub founder Alexandra Elbakyan.

Tom Scott recounts the worst typo he ever made, a subtle mistake in code with destructive consequences at a previous job. It is a cautionary tale about irreversible operations.

Linus Tech Tips documents a major RAID failure on its Whonnock server and the attempt to recover the lost data with a data recovery firm.

A short clip from a 1973 NOVA episode in which Richard Feynman recalls his father teaching him that knowing the name of a bird in many languages tells you nothing about the bird.

A short, humorous critique of Helion Energy's fusion approach, framed as a response to a Real Engineering video. It covers low reactivity, neutron production, bremsstrahlung losses and diagnostics.

Dave Jones of EEVblog debunks the uBeam ultrasonic wireless phone charging technology and explains why it is not practical. He covers efficiency, coupling loss and safety, and responds to the founder's remarks about engineers.

A UK tradesman's rant on the disadvantages of air source heat pumps, covering grants, heat pump types and whether they are worth it. He argues they are impractical for many British homes.

A short clip based on Zbigniew Brzezinski's views about the erosion of national sovereignty and his criticism of the war on terror. It is titled Political awakening.