Making Water Bounce

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A new ‘super-hydrophobic’ surface developed by researchers at Rochester University’s Institute Of Optics that makes water bounce off as if repelled by a magnetic force.

Unlike previous temporarily water-repelling surfaces (like Teflon), this permanently hydrophobic material consists of metal into whose surface microscopic structures are etched with lasers.

Possible applications include waterless toilets, rustproofing and airplane wings that repel ice.

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