Keith Devens .com - Weblog: Leidenfrost effect

Sunday, October 13, 2002

Leidenfrost effect

Via Slashdot, make sure you check out this short paper on the Leidenfrost effect (PDF). This guy has stuck his hand into boiling lead, walked on hot coals, and put liquid nitrogen into his mouth. He explains something I've always wondered about - where if you heat up a pan with nothing in it for long enough, then put water drops on it, they will roll around like mercury.

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