Light, heat, radio transmissions ... radiation from any other is the energy carried by its photons. There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with ...

Electromagnetic waves are members of a family of waves with common properties called the electromagnetic spectrum ... Infrared radiation is felt as heat and causes skin to burn.

Well, those wavelengths lie in the infrared region of the electromagnetic spectrum — and on April ... They need to be quite cold because too much heat can interfere with infrared measurements.

A black body completely absorbs all electromagnetic ... heat rays are only different from light rays in their period of oscillation or wavelength.” A black body not only emits radiation at a ...