10,000 People Said She Was Wrong. She Wasn't. | Famous Paradoxes

In 1990, a magazine columnist answered a simple puzzle about three doors. Around 10,000 readers wrote in to tell her she was wrong, nearly a thousand of them with PhDs. She was right. At the History Job Centre, Kevin has been moved to the Department of Impossible Problems: the most famous paradoxes in history, and his job is to solve them. Oh, and there's a surprise inspection coming this week. Kevin has proved it can't happen. The Monty Hall problem, Achilles and the tortoise, Hilbert's infinite hotel (and why some infinities are bigger than others), the liar paradox, Russell's barber, the birthday problem, the St. Petersburg coin game, the heap, Einstein's twins, the grandfather paradox, Schrödinger's cat and the surprise test: 12 brain-breaking paradoxes, each explained simply. Chapters: 00:00 Intro 00:59 The Three Doors 02:41 Achilles and the Tortoise 04:21 The Infinite Hotel 06:21 This Sentence Is False 07:49 The Barber 09:45 The Birthday Problem 11:01 The Coin Game 12:35 The Heap 13:45 The Twins 15:32 The Grandfather 16:51 The Cat in the Box 18:22 The Surprise Inspection 19:34 Who Inspects the Inspector? #paradoxes #history #stickman