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 ...

Colors are one of the first things people learn about in school. Well, you might have to start re-learning. At least, when it comes to one color people think is on the spectrum. Popular Mechanics ...

Humans, for instance, have three different types of photoreceptors, each one tuned to pick up green, red, or blue wavelengths of light. When light hits our eyes, the receptors turn these colors ...

Scientists have developed a pioneering technology capable of omnidirectional wavelength tuning, which promises to revolutionize a myriad of tunable photonic applications. Structural colors ...