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... vered that when a drop of water was dropped on a hot red iron spoon, the water droplets actually suspended.
Later, scientists discovered after research that when water droplets touch a hot iron plate, a layer of water vapor will form at the bottom.
This layer of water vapor is like a hovercraft, which can separate the water droplets from the iron spoon, so that the water droplets can be suspended.
Later scientists named this effect the Leidenfrost effect.
How ...
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