Some surfaces are wetted by water, others are water-repellent. A new material can now be both with a little electricity

Artificial materials can be made water-repellent, too. It is, however, extremely challenging to produce a surface with switchable wetting

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Leuven ,Region Flamande ,Belgium ,Vienna ,Wien ,Austria ,Stijn Mertens ,Thomas Greber ,Stijn Mertens Institute Of Applied Physics ,Vienna University Of Technology ,Physics Institute ,Applied Physics ,Vienna University ,