LeidenForceEngineered capillary materials and even natural structures like wood can sustain vapor levitation and self-propel on hot surfaces, expanding Leidenfrost physics beyond droplets.
🔗 https://www.nature.com/articles/s41567-026-03255-x
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Capillary Leidenfrost effect - Nature Physics
If a surface is hot enough, a liquid droplet can develop an insulating vapour layer that makes it levitate above the surface, which is known as the Leidenfrost effect. A solid structure of liquid-filled capillaries is now shown to display this levitating effect at much lower temperatures.