Using a Rough Surface to Stay Dry *Researchers at the Massachusetts Institute of Technology and Boston University have found a new clue to staying dry, and it has to do with time and texture. James C. Bird, now of Boston University, and Kripa K. Varanasi at M.I.T. and their colleagues, were considering the problem of icing, which is a version of getting wet, and they decided to focus on the time...

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