"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The human eye does not actually see purple, as purple is not a color on the visual spectrum. Purple is a ...

Tired of having to reach for your night-vision goggles when you want to track someone’s heat signature after dark? Well, biotech may someday come to the rescue for all of you aspiring spies. Because ...

Jan. 21 (UPI) --Scientists have discovered a molecule that can take advantage of the entire visible spectrum of sunlight. The molecule can both efficiently absorb sunlight and operate as a catalyst, ...

Researchers in Quebec, Canda, have developed the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing ultrashort, bright ...

You might say it’s just a pigment of your imagination ...