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Counter Tops That Clean Themselves?

Anti-bacterial sprays may soon become a thing of the past if the company that created windows that partially clean themselves can bring the technology indoors. Researchers at Penn State University and PPG Industries are trying to develop self-cleaning countertops that would keep bacteria from getting a toehold and also kill them on contact. Self-cleaning and germ-killing counters could be a big boon for PPG, which has developed self-cleaning glass called SunClean. The counters would work...