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Rainfall

A few cold drops falling through a cloud could create a downpour

27 September 2017

One raindrop that is less than 4°C cooler than the surrounding cloud can trigger a rapid burst of microdroplets, which can spawn a sudden rainstorm

Plastics made fireproof thanks to mother-of-pearl mimic

Plastics made fireproof thanks to mother-of-pearl mimic

19 July 2017

A method for quickly coating objects in a thin, environmentally safe mother-of-pearl-like film could protect food or electronics from the elements

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