** WikiPedia, Online open-source encyclopedia.
EPA SunWise: UV Index
How Stuff Works (Tanning, Bug Zappers)
** UltraViolet Waves
Light Measurement Handbook by. Alex Ryer
** What is Light, EM Wave Theory
Kaplan AP Physics B Review Book
**Denotes pictures are from these web sites.
I also performed a mini-experiment as a creative source. I used those glow in the dark stars and removed them from light
and only exposed them to light for a small amount of time and then saw how long they continued glowing after the light was