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 ...

In an art gallery or museum, the lighting is typically designed to reduce shadows and illuminate work using a spectrum that approximates, but rarely achieves, that of natural daylight. But daylight at ...

Our ancestors had evolved the ability to see the full-color spectrum of visible light, except for UV around 30 million years ago; a new study has demonstrated. The scientists have finished a detailed ...

Every star you see at night broadcasts its temperature through color, yet one shade sits permanently off the menu. The ...

Accurate color mixing of light from LEDs requires precise knowledge of the primary colors used for mixing. While some manufacturers provide bin data for color LEDs, many do not. What is almost always ...