Add Yahoo as a preferred source to see more of our stories on Google. You perceive electromagnetic radiation in the form of light in all the colors of the rainbow. MirageC/Movement via Getty Images ...

Does the color of an object come from the element it's made of? originally appeared on Quora - the knowledge sharing network where compelling questions are answered by people with unique insights.

Semiconductor lasers are capable of emitting over the full visible color spectrum, which is necessary to produce a white laser, researchers have demonstrated. The technological advance puts lasers one ...