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SlideshowReport

The Electromagnetic Spectrum

Description
The full array of all types of electromagnetic radiation is called the electromagnetic spectrum. It extends
from the longest-wavelength radio waves to the shortest-wavelength gamma rays. Visible light forms only a tiny
portion of the full electromagnetic spectrum. Note that 1 µm (micrometer) is 10-6 m, and 1 nm (nanometer) is 10-9 m. The
insets show how we are now using all parts of the electromagnetic spectrum here on Earth
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