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 ...

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

(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 ...