News Search results: Electromagnetic spectrum
... of our industrial activities because these events often occur outside the narrow range of the electromagnetic spectrum our senses can perceive.
Huffington Post · Dec. 17, 2014
... more than $34 billion on the afternoon of November 21 alone for six blocks of airwaves, totaling 65 megahertz of the electromagnetic spectrum.
National Science Foundation · Dec. 17, 2014
Near-infrared spectroscopy uses light waves from the near-infrared region of the electromagnetic spectrum, and is widely used in sensors for...
Science Daily · Dec. 15, 2014