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 ...

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 ...

A newly developed sunscreen protects against ultraviolet light from the Sun while keeping ... coated with it stays several degrees cooler than ambient temperature. This sunscreen uses the same ...

Though the storm appears red to the human eye, in this ultraviolet image it appears darker because high altitude haze particles absorb light at these wavelengths. The reddish, wavy polar hazes are ...

We cannot see ultraviolet (UV) light but it can have hazardous effects on the human body. Ultraviolet light in sunlight can cause the skin to tan or burn. Fluorescent substances are used in energy ...