UV light is reflected off water, sand, snow and concrete. Wear sunscreen even in winter and during cloudy weather. Damaging UV light from the sun still occurs; it is just not as strong as on a sunny ...

UV printers are a hybrid of 3D and 2D printers. They use CMYK (Cyan, Magenta, Yellow and Black) inks and a white resin-style ink that is cured with a UV light to build up a shallow 3D image on a ...

Doug Mahoney/NYT Wirecutter Bug zappers work by emitting a UV light that attracts bugs to the center of the device, where they’re electrocuted, usually between two metal grids.

Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than x-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV.