"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

“It has no justification in experiment exactly; it just represents something that he’s imposing upon the color spectrum by analogy with music.” Of his rainbow experiment Newton wrote that he had ...

Have you ever seen a rainbow in the sky? Rainbows happen when sunlight passes through raindrops in the sky. When this happens, light becomes separated into a rainbow of colors—red, orange ...