Ultraviolet (UV) light is a type of radiation. It has more energy than radio waves or visible light but less energy than X-rays or gamma rays. You can be exposed to UV light via natural sunlight or ...

A fresh rub on a winged elm seen in a flashlight (left), 365 nm UV light (center), and 395 nm UV light. Photo courtesy of NDA The ability to spot rubs and scrapes is an acquired skill. They may be ...

Exposure to UV light causes damage to everyone’s cellular DNA. Once the cells are damaged, the immune system clears them. However, people with lupus have a much slower clearance of these cells. The ...

Researchers have built a new platform that produces ultrashort UV-C laser pulses and detects them at room temperature using atom-thin materials. The light flashes last just femtoseconds and can be ...

Doctors use UV light therapy to treat various common skin conditions, such as psoriasis and eczema. They consider it effective and safe, although it may cause short- and long-term side effects, ...

The use of alternative light sources and ultra violet lighting has changed and improved drastically over the last few years. The concept, however, remains the same as the purpose of alternative light ...