James Webb Space Telescope reveals a hot rocky exoplanet surface. Learn JWST exoplanet findings, basalt crust, and first-ever ...

Droplets bouncing off surfaces are an everyday phenomenon, like raindrops bouncing off lotus leaves or water drops sizzling in a hot pan, levitating and sliding around—aka the Leidenfrost effect.

A few droplets of water sprinkled on a hot frying pan will quickly boil away. Yet the same droplets on a much hotter pan will instead remain intact by floating on their own insulating vapour — a ...