Cool hand

The Leidenfrost effect - a thin veil of protective gas forms at an interface between liquid and an object that is well above its melting point.

Here's an image (and a video, next, below) of a hand being dipped directly into liquid nitrogen for an instant.

http://link.brightcove.com/services/player/bcpid89176697001?bctid=595188459001

And here's a video of a hand being dipped into molten lead.