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.
葫芦娃视频 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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