Insects that walk on the surface of ponds and self-cleaning lotus leaves are just two examples of the myriad ways nature has devised surfaces that are ultra鈥搘ater-repellant.
University of Colorado Boulder mechanical engineering Professors YC Lee and Ronggui Yang have devised their own versions of what are known as superhydrophobic surfaces with vertically aligned copper nanowires coated with extra鈥搘ater-repellant material.
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