http://en.wikipedia.org/wiki/LightStudy this Wiki and i am sure you will find great ideas.
Quote from: EmeraldTiger on March 11, 2011, 03:42:30 amhttp://en.wikipedia.org/wiki/LightStudy this Wiki and i am sure you will find great ideas.The speed of light in a vacuum is defined to be exactly 299,792,458 m/s (approximately 186,282 miles per second). Sadly we have nothing about speed in element's light?