taipei 101

Tourist footage of the 660-ton tuned mass damper in Taipei 101 swaying during tremors from the 2008 Sichuan earthquake. The damper hangs from the 92nd floor.

Harvard Belfer Center lecture by Matthew Bunn explaining how nuclear bombs work, including fission and fusion weapons and which parts of bomb-making are hard. It is part 1 of 2 in the Nuclear 101 series.

Lex Fridman has a three-hour conversation with Joscha Bach about artificial consciousness, the workings of the mind, intelligence and the possibly simulated nature of reality.

Anders Brownworth gives a basic visual introduction to blockchain using an interactive web demo, covering SHA256 hashes, blocks, chains, distribution, tokens and coinbase transactions.

Grace Hopper appears on Letterman and uses a foot-long piece of wire to show how far light travels in a nanosecond.

An IIHS crash test pitting a 1959 Chevrolet Bel Air against a 2009 Malibu in a frontal offset collision for the institute's 50th anniversary. The old car's occupant space collapses while the modern car's protects its driver.

Julia Ecklar's recording of "The Eternal Flame," a filk song about God writing the universe in Lisp, written by Bob Kanefsky. It is a geek-humor song set to a familiar tune.

Tom Scott investigates the claim that the microwave was invented to heat hamsters, and interviews James Lovelock about freezing and microwave-thawing hamsters in the 1950s. It traces early magnetron uses beyond radar.

CGP Grey, adapting The Dictator's Handbook, explains how rulers keep power and why succession causes trouble when they die. It is the sequel to his video on the rules for rulers.

A one-minute clip by cpddan reproducing how a Tesla on Autopilot 2.5 may have steered into a gore point barrier, as in a fatal Highway 101 crash.

A Tesla Model S/X owner films his drive on US-101 in the lane where a fatal Model X Autopilot crash occurred, showing the car steering toward the lane divider without any warning.