04 December 2009
The Leidenfrost effect
Probably everyone who has cooked in a kitchen has seen this effect without knowing it had a name or a sophisticated explanation.
The video above is brief and to the point. This longer and more comprehensive video -
shows that the same principle applies when the person sticks his bare hand into liquid nitrogen.
Addendum: I just found a description of this same phenomenon, published back in 1868, dealing with boiling tar. You can read it at Futility Closet.
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that last video sounds like it was narrated by the creepy dude from silence of the lambs.
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