101 Bets You Will Always Win: Jaw-Dropping Illusions, Remarkable Riddles, Scintillating Science Stunts, and Cunning Conundrums That Will Astound and Amaze Everyone You Know by Richard Wiseman

Author:Richard Wiseman [Wiseman, Richard]
Language: eng
Format: azw3
Publisher: St. Martin's Press
Published: 2016-09-27T04:00:00+00:00

BED OF NAILS

Challenge your friend to place an inflated balloon on an upturned drawing pin without bursting the balloon.

To win the bet, place about twenty drawing pins on a table – amazingly, you can push a balloon onto the drawing pins without it bursting.

When there is only one drawing pin, the entire force on the balloon is focused on that one tip, and so the resulting pressure easily breaks through the rubber of the balloon. However, when you push the balloon onto lots of drawing pins, the same force is distributed across all of the tips and so there is not enough resulting pressure from any single pin to penetrate the rubber.

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