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Special episode

Wed, 28th Oct 2015

Frost prevented by new material

Water droplets (c) Amy Betz/Kansas State University

As Winter approaches in some parts of the world, so does the colder weather and the threat of ice on the roads and on your car windscreen. But help is at hand from Kansas State University’s Alexander van Dyke. As he explains to Charis Lestrange, he’s created what’s known as a “biphilic” material that can stop frost from forming so easily on a surface. It consists of two types of material: one hydrophilic, which attracts water, and the other hydrophobic, or water-repelling. Placed in a certain pattern, these can keep water droplets moving so they don’t have time to freeze...

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