Five years after COVID-19 first hit the United States, scientists are already brainstorming how to stop the next big virus.

An invisible band of radiation with wavelengths from 400 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...

This helps reduce harmful UV rays that could cause the clothes ... In a closet, this means using a combination of ambient, task, and accent lighting. Ambient lighting refers to overhead lights ...

Most UV-blocking films work best when light hits the film at a 90-degree ... the researchers found that their film reduced the room's ambient temperature by 5.4 to 7.2 degrees Celsius while ...