The jet of liquid can bounce off the hot plate without ever touching it. This extension of the Leidenfrost effect (a phenomenon in which beads of water fly around over a scorching hot pot) could help improve cooling processes used in a variety of fields, from nuclear reactors to firefighting.
The Leidenfrost effect was first described about 300 years ago, but it was only tested with droplets of liquid, not jets of liquid. Until then…
Source: www.newscientist.com