“Geckos have millions of microscopic hairs on their toes, each with hundreds of tips that adhere to surfaces, with no residue left behind,” said Kellar Autumn, a biology professor at Lewis & Clark College in Portland, Ore. “Their hairs can stay attached indefinitely.”
Mr. Autumn and scientists at the University of California, Berkeley, were responsible for the research that enabled Mark Cutkosky, a professor of mechanical engineering at Stanford, to develop a prototype for a tape based on gecko adhesion. The tape, which is reusable, was so strong, Mr. Autumn said, that when they tested it, he was able to stick his 50-pound, 8-year-old daughter to a window with it.
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