Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.
Fluorescent lamps have been widely used in commercial buildings for decades, because they use considerably less power and last much longer than incandescent lighting. However, due to their tubular ...
The Oregon House of Representatives passed a bill that would give school districts a five-year exemption from requirements ...
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 ...