They're your eyes, and they receive signals that fall in the range of visible light ... There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves ...

We see those colors because they reflect light back to our eye from very specific parts of the visible-light portion of the electromagnetic spectrum. Unfortunately, what's not reflected is ...

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

Camera manufacturers go out of their way to reduce this to just the visible spectrum in order to produce photos that look right to us. But, what if you want your camera to take photos of the full ...

A rainbow contains all the colours of the visible spectrum. It is often possible to see a secondary bow, which is slightly larger and fainter than the first – and the colours are in the opposite ...

To understand where black falls on the color spectrum, first consider what light actually is. Light is radiation visible to the human eye Light is energy called electromagnetic radiation.