The invisible light can kill viruses and pathogens like the one that causes COVID-19, but experts are raising alarms about the potential safety risks.
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UVC light has a long history as a proven disinfectant at places like hospitals and laboratories, and businesses including airlines, hotels and retail spaces have been relying on the invisible light more than ever in 2020. The pandemic has also produced a flood of cheap, unregulated, consumer-facing devices for use in the home, including handheld UVC wands that look like lightsabers.
Devices like those are nothing new, but the pandemic-borne surge of interest in them is raising alarms, because UVC light is a known carcinogen, and even a few moments of direct exposure can be hazardous to the eyes and skin. Read more >>