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If you slowly pull your finger from the water, a droplet falling from it can indeed be made to float on its surface. And if you pay particularly close attention ... involved set-up is required.

When a droplet of water falls on a hot pan, it dances across the surface, skimming on a thin layer of steam like a tiny hovercraft; this is known as the Leidenfrost effect. But now, researchers know ...

TikTokers have been placing a water droplet on their phone camera to improve the focus so it can pick up all the details of their iris as they their eye close to the camera. The iris is the ...