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A radio wave has the lowest frequency in the electromagnetic spectrum and is used mainly for communication. They are created through different types of transmitters, depending on wavelength. Wireless networks use radio waves by translating data into radio signal.They are also given off by stars, sparks and lightning, which is why you hear interference on your radio in a thunderstorm.

What is a radio wave?

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EMR radio waves

By Abigail Parrott