(1) A group of frequencies in the electromagnetic spectrum that are assigned by regulatory agencies for a particular purpose. Also called a "frequency band." See frequency bands, spectrum ...

The electromagnetic spectrum is a continuous range of wavelengths ... uses and dangers - depending on their wavelength and frequency. The speed of electromagnetic waves in a vacuum is 3.0 × ...

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 ...

yet it makes up just a small portion of the electromagnetic spectrum. We invite you to take this self-guided tour, which covers the spectrum from radio waves to gamma rays.

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 ...

region of the electromagnetic spectrum that covers the frequency range from roughly 0.1 to 50 THz. Terahertz electromagnetic waves occupy a middle ground between electronics waves, like microwave and ...

Philip Morrison and Guiseppe Cocconi analyzed how two civilizations separated by many light years of space might use electromagnetic ... the range of frequencies from 1420 to 1720 MHz is called the ...

and THz regions of the electromagnetic spectrum. STL also serves as a prime contractor on a US Army radar program delivering direct government support in UHF-band thru W-band target signature ...