Ultraviolet technology isn’t new; it’s been used in hospitals, research labs, and other areas that need to be germ-free. UV light kills up to 99.9 percent of germs, bacteria, and viruses—and that may ...

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Ultraviolet light systems have started to gain popularity as a way to clean large swathes of schools quickly and frequently. For example, according to a February EdWeek Reseach Center survey, 13 ...