How is this water droplet climbing uphill? - Video

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This water droplet is climbing uphill.

Gravity should pull it back down.

But on an extremely hot metal surface, the water instantly vaporizes and creates a thin cushion beneath the droplet.

The surface has tiny asymmetric ramps that make the vapor push harder in one direction — driving the droplet uphill.

No motor. No hidden mechanism. Just heat, vapor, and physics
#Science #Physics #LeidenfrostEffect #FluidDynamics #Engineering #ScienceExperiment #PhysicsShorts #ScienceShorts #Technology #MOMENTZERO
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Twitch Hot Tub
Tags
water droplet uphill, droplet walks uphill, Leidenfrost effect
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