This means that the light leaving the prism is spread out into its different colours, a process called dispersion. This experiment is recorded as first being carried out by Isaac Newton ...

"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 ...

In conventional dispersion, white light is split into spectral colors by passing through a dispersive material such as water droplet or glass prism. However, this type of dispersion is generally ...