For decades, the world has been harnessing ultraviolet (UV) light as a tool. Its power to sterilize has made it essential to the drinking water of billions of people. Research laboratories operate powerful UV lights to clean germs from sensitive equipment. Hospitals and medical facilities use UV light to disinfect and decontaminate surfaces and implements.
But why? What makes UV light so special? What is UV light, even, and how is it different from “normal” light? Most importantly, how does it work to sterilize, clean, and disinfect?
By Donavyn Coffey - Live Science Contributor Ultraviolet light has been used to stop pathogens in their tracks for decades. But does it work agains...