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Types of Ultraviolet Radiation

May 1, 2010 By
Sun Block

What is the difference between UVA, UVB, and UVC? Answer: UV-A= Aging. This UV radiation can penetrate and damage the cell. About 98% of the UV radiation reaching Earth’s surface is UV-A. UV-B= Burning. This UV radiation is mainly what causes sunburns. Most of the radiation is absorbed in by the ozone layer in Earth’s [...]

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Black Light

June 7, 2009 By
The phosphors in the scorpion's exoskeleton have a turquoise glow under a black light.

What is a Black Light? What are Phosphors? “Black Light” seems to be an erroneous name because when a black light is turned on in a dark room, everything is bathed in a beautiful purple color. But what you do not see is the  ultraviolet radiation that is being emitted. In black lights, the radiation [...]

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