+A radio wave is an invisible ripple across the cosmos, a form of [Electromagnetic Radiation](/wiki/electromagnetic_radiation) that travels at the speed of [Light](/wiki/light). These long, ethereal pulses carry information, enabling everything from broadcast radio to wireless communication.
+## See also
+- [Frequency](/wiki/frequency)
+- [Wavelength](/wiki/wavelength)
+- [Antenna](/wiki/antenna)
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