Is purple a real color? Scientists think everything we've ever believed about the color purple may not be true due to the ...

The world is awash with the color purple — lavender flowers, amethyst gemstones, plums, eggplants and purple emperor butterflies. But if you look closely at the visible-light portion of the ...

Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

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

Though they're so common that we don't typically give them much thought, lights are fascinating elements of the modern world. By sending an electrical current through a conductor, extreme amounts of ...