Ultraviolet light has a long history as a disinfectant, and the SARS-CoV-2 virus, which causes COVID-19, is readily rendered harmless by UV light. The question is how best to harness UV light to fight ...

In a recent study published in the Journal of Photochemistry and Photobiology, a team of researchers analyzed the effect of ultraviolet (UV) and violet light of different wavelengths on the virulence ...

We first heard about the disinfecting powers of UV-C light (ultraviolet light with a wavelength between 200 and 280 nanometers — and the same light that causes sunburn and skin-cell mutation in humans ...

UV light sanitizers are popping up as the answer to killing coronavirus on our hands and phones, but consumer devices may have more risks than they're worth. With man-made hand sanitizer in short ...