constructive logic

A very short clip from Yes, Prime Minister in which Sir Arnold and Sir Humphrey run through a piece of circular political reasoning. It is the origin of the so-called politician's logic.

Lawrence Krauss's 2009 talk on the current picture of the universe, how it will end and how it could have come from nothing. It covers the expanding universe, cosmic background radiation and the cosmological constant.

Matthias Wandel shows his wooden machine that adds binary numbers using marbles. It demonstrates computation with purely mechanical logic.

Stanford professor Robert Sapolsky lectures on depression as a real biological disease. He covers its biological and psychological causes, how it differs from ordinary sadness, and ideas such as learned helplessness. He ties these together into one account.

A sketch from the British sitcom Yes, Prime Minister in which Jim Hacker and the chief scientific advisor discuss the logic of the nuclear deterrent.

A 2006 iPod commercial set to Daft Punk's Technologic, with dancing silhouettes and bright white headphones.

A 2-minute scene from the film Amadeus in which the emperor says Mozart's opera has simply too many notes and Mozart asks which few to cut.

The 'She's a witch!' scene from Monty Python and the Holy Grail, in which villagers reason absurdly about how to identify a witch.