March 11-17, 2012

posted Mar 19, 2012, 9:34 AM by UVA Chemistry LEAD
Rainbows are formed when droplets of water cause light from the sun to refract in a way that shows the visible spectrum from red to violet. Unfortunately, while there may be a Pot o' Gold at the end of the rainbow, you can never get to it, since rainbows are only visible from certain angles.