When the water in your Koi pond gets green, you know that is the time to get a new UV sterilizer. The exceeded food causes the growth of algae, bacteria, parasites, viruses and other microorganisms, ...

Protective filters can serve other purposes too. Some are simply clear pieces of glass that have no other function, but you can also get a UV filter, which is designed to block out unwanted ...

A Hubble Space Telescope image captures Jupiter in ultraviolet light, highlighting the Great Red Spot as a darker feature due to high-altitude haze particles absorbing UV light.

On April 21, 1972, NASA astronaut John W. Young, commander of the Apollo 16 mission, took a far-ultraviolet photo of Earth with an ultraviolet camera. Young's original black-and-white picture was ...

Infrared radiation displayed as having a range from 725 nanometres to beyond 825 nanometres. Ultraviolet radiation is invisible energy in the wavelength range from 100 to 400 nanometers (nm). A ...

Fortunately, a UV lamp helps speed up the dry time while setting your nail polish with a sturdy, long-lasting, glossy finish. It's a large reason gel manicures are one of the most popular nail ...