Add Yahoo as a preferred source to see more of our stories on Google. Perhaps you have seen UV wands, UV LEDs and UV air purifiers advertised as silver bullets to protect against the coronavirus.

LANSING, Mich. (WLNS) — Lots of sunshine in the forecast means a high UV index. The UV Index, or ultraviolet light index, is used to measure the strength of the ultraviolet radiation from the sun.

A series of cold cathode fluorescent lamps (CCFLs) that come in bright white and UV types are targeting applications such as hand-held instrumentation, purification systems, optical readers, scanners, ...

Scientists have long known that ultraviolet light can kill pathogens on surfaces and in air and water. UV robots are used to disinfect empty hospital rooms, buses and trains; UV bulbs in HVAC systems ...