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We generate and detect electromagnetic waves that have frequencies
between 15 KHz and 300 GHz for a huge number of different purposes.

In addition to the ones we're able to generate, other electromagnetic waves occur
in nature, with frequencies up to 3,000,000,000,000,000,000 GHz.

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12y ago

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Is a rainbow made up of radio waves?

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Is electromagnetic spectrum and frequency spectrum same?

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