They're your eyes, and they receive signals that fall in the range of visible ... spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light ...

The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different ...

There are seven colours of the visible light spectrum. In order of their frequency, from the lowest frequency (fewest waves per second) to the highest frequency (most waves per second), they are ...

It enables X-ray light with photon energies of more than 15 kiloelectronvolts to ... The visible spectrum is the portion ... In terms of frequency, this corresponds to a band in the vicinity ...