Tag: vapor

What Makes Droplets Dance Around a Hot Surface and Then Fly Away?

By Sophie Bushwick | July 25, 2012 10:56 am

To test the temperature of a frying pan, people often dribble a few drops of water onto the surface. If the pan is cold, the water sits placidly on the surface. But if the metal is hot, the droplets will skitter around like deranged dancers. What makes them move?

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CATEGORIZED UNDER: Physics & Math
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