Unlike standard fog harvesting technologies, “We’re trying to use clever geometric designs in place of chemistry,” Boreyko told Ars. “When I first came into this field, virtually everyone was using nets, but they were just trying to make more and more clever chemical coatings to put on the nets to try to reduce the clogging. We found that simply going from a net to a harp, with no chemicals or coatings whatsoever—just the change in geometry solved the clogging problem much better.”
Jimmy Kaindu inspects a new collecting prototype beside the original fog harp. Credit: Alex Parrish for Virginia Tech
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