What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

Pennsylvania American Water has started an ultraviolet (UV) light disinfection system upgrade at its Royersford Wastewater ...

Researchers have developed "nanofibrous blankets" that float on contaminated water, using sunlight to break down pollutants.

State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China Center of Materials Science and ...

There are different types of light: ultraviolet light, such as UVA and UVB rays from sunlight, and visible light, which is where red and blue light come in. (These are the two main light colors ...