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 ...

Its frequency is how fast it vibrates back and ... with wavelengths spread fairly evenly across a wide range of the visible spectrum. LEDs and other electric light sources are not quite as uniform ...

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 ...

Imagine a world where sound becomes visible. In a room full of conversation, we would see soundwaves flowing from person to ...

Frequency is measured in Hertz, which is abbreviated Hz. The whole range of radio spectrum is pretty huge ... in extra search terms to refine your visual search. Google calls this new image ...

It's not easy to imagine how high the frequency of a high-energy gamma ray is. During the time it takes for its wave to go through one cycle, a gamma-ray wave traveling at the speed of light will ...

The types of radiation that occur in different parts of the spectrum have different uses and dangers - depending on their wavelength and frequency ... Optical fibres (visible light to infrared ...