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 ...

The color purple has long been a symbol of royalty, creativity, and mystery. But according to science, it's also something else: a figment of our imaginations. While it looks just as real as red or ...

Light is more than what we see. The Sun sends out a number of waves of light in different wavelengths. Find out about wavelengths and the electromagnetic spectrum. Science Trek is available to stream ...

Is your green my green? Probably not. What appears as pure green to me is likely to look a bit yellowish or bluish to you. This is because visual systems vary from person to person. Moreover, an ...

The color of the sun is actually white, though it may look yellow. If you were to get close enough to the sun, which you can't actually do, you'd be able to see its true color. The light rays from the ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Michael J. Murdoch, Rochester Institute of Technology (THE CONVERSATION) Advertisement ...