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 gamma rays, each type of light has its own properties and uses. By ...

Not every rainbow is gay – technically ... the light into different colors and produces the continuous spectrum of light in the sky that we call rainbows. This spectrum displays a gradient ...

There are three primary colours of light, which can be combined to make secondary colours. A rainbow contains all the colours of the visible spectrum. It is often possible to see a secondary bow ...