|  |  | 20 Most Incredible Light Phenomena [pics] www.environmentalgraffiti.com — Howard Nemerov said â€œNothing in the universe can travel at the speed of light, they say, forgetful of the shadowâ€™s speed.â€ But what about the amazing effects and contrasts of light and dark. In their invisible race to the finish line, what effects or phenomena do they create? We decided to explore the most stunning images for your viewing pleasure.More... (General Sciences) Comments Email Added 2008-07-22 17:50:02 TalSiach