Rain could make your solar panels dirtier, not cleaner Martyn Williams IDG News Service Aug 17, 2015 11:02 AMe-mailprint http://www.pcworld.com/article/2971692/consumer-tech-science/rain-could-make-your-solar-panels-dirtier-not-cleaner.html On a second-floor rooftop at NASA’s Ames Research Center in Silicon Valley, Abraham Ishihara opens an electrical cabinet bursting with hundreds of wires. Each wire feeds data from an adjacent array of solar panels, helping him collect detailed information about […]