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 ...

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 ...

Is there a sufficiently reliable way to get an acceptable measure of the actual colour temperature of the the light generated by an LED bulb, using generic hardware and/or software? Maybe there's an ...

It turns out that one of the colors we see in the world every single day is actually just a pigment of our imagination — er, sorry, figment of our imagination. Scientists say it's a sort of collective ...

People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

If you're looking for an abstract splash of color to spruce up your desktop, the collections here should have something that catches your eye. Photo by Thelma1. Over at the design blog Hongkiat, they ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Hummingbirds can see an impressive array of colors that are ...