"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 might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

Each type of light has a different wavelength and frequency ... The electromagnetic spectrum is a rainbow of light waves that surround us — but we only see a small part of it. From radio waves to ...

It is easy to remember them by using the name “Roy G. Biv.” A rainbow is a spectrum of visible light. Each color has a different wavelength. To separate white light into these colors, the light needs ...

The rainbow shows us all the individual wavelengths of visible light in order, from the longer wavelengths (red) to the shortest that we can see (violet). These are the purest colours – each one ...

Michael Murdoch is a member and former board member of the Inter-Society Color Council, part of the Color Literacy Project. People love the rainbow of ... called photons. Each photon has its ...