"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 ...

This passage 2 is read by students to test their speaking skills: "When the sunlight strikes raindrops in the air, they act like a prism and form a rainbow. The rainbow is a division of white light ...

A rainbow is made during a process called refraction, where light bends inside a prism (in this case ... while the blue-spectrum colours will always appear on the inside as they have shorter ...

A rainbow contains all the colours of the visible spectrum. It is often possible ... Light is refracted when it enters the prism, and each colour is refracted by a different amount.

The standard design is simple; a prism or diffraction grating to break up a light source into a spectrum and a detector ... The almost-a-rainbow’s-worth of LEDs are mounted on circular PCB ...