Electromagnetic Spectrum Tour By Rick Groleau Posted 01.08.02 NOVA Light, heat, radio signals, and medical X-rays are all forms of electromagnetic radiation—waves moving through space that are ...

One of the landmark discoveries of 19 th century physics was the realisation that electricity , magnetism and light are all connected. Experiments had already shown that the movement of electrical ...

Electromagnetic radiation is a form of energy that includes radio waves, microwaves, X-rays and gamma rays, as well as visible light. When you purchase through links on our site, we may earn an ...

The visible light spectrum is just a tiny fraction of the electromagnetic spectrum that ranges from radio waves to microwaves and infrared light to X-rays and gamma-rays.