A puffy cloud fluorescent light filter is a fun way to diffuse the harsh glare of fluorescent lights in drop ceilings. The ...

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact fluorescent lamps (CFL’s). CFL’s are commonly long, cylinder shaped and ...