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Why water skitters off sizzling surfaces – and how to stop it

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Water droplets on very hot surfaces bounce and skitter around on a thin cushion of water vapour. This phenomenon is known as the Leidenfrost Effect and it's something that engineers often want to avoid as it makes water-based cooling systems less efficient.

Now, researchers in Hong Kong have put forward a newly designed surface intended to prevent the bouncing and skittering of the Leidenfrost Effect.

Read the full paper here: https://www.nature.com/articles/s41586-021-04307-3

For more stories like these sign up for the Nature Briefing: An essential round-up of science news, opinion and analysis, free in your inbox every weekday: https://go.nature.com/371OcVF
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science, nature video
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