Diving into color reproduction -- what ultraviolet looks like, how to improve the color on your monitor without buying a new one, and the all-around awesomeness of the Mark I Eyeball.

It was bathed in ultraviolet—literally “beyond violet” in Latin. Ultraviolet (or UV) light has wavelengths ranging from 10 to 400 nanometers. It is largely invisible to humans, but must be “apparent ...

"The UV index represents the amount of skin-damaging UV radiation reaching the earth’s surface at any instant of time," the U.S. Environmental Protection Agency says in its UV Index Guide.

Scientists from the Indian Institute of Astrophysics (IIA) in Bengaluru have managed to peek into one of the fleeting windows ...

"Researchers 'color code' webbing material for exposure to damaging UV rays." ScienceDaily. ScienceDaily, 16 August 2022. <www.sciencedaily.com / releases / 2022 / 08 / 220816093605.htm>.

Levels of UV radiation vary throughout the day. The highest readings occur in the four-hour period around "solar noon", when the sun is at its highest - usually from late morning to early afternoon.