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Radio waves.
Radio waves help people communicate with each other.
Manarmanarm!!
Electromagnetic waves.
Those are called radio waves. Also, the so-called microwaves, which are basically a type of radio waves (with a relatively high frequency and short wavelength), too.
radio waves
Radio waves.
electromagnetic waves they are basically used by all types only some have different names and are a type of it Like wireless is : Hertzian waves (electromagnetic waves) well the elctormagnetic waves can smd!
Radio waves help people communicate with each other.
Manarmanarm!!
radio waves (part of the electromagnetic spectrum)
Yes. We call the waves "radio".
Electromagnetic waves.
Those are called radio waves. Also, the so-called microwaves, which are basically a type of radio waves (with a relatively high frequency and short wavelength), too.
Through the electromagnetic spectrum, specifically radio waves.
All electromagnetic radiation can be used for communication, up to frequency of, let's say, 3 x 1015 Hz (down to wavelength of, say, 100 x 10-9 m), in the ultraviolet. Past that, higher frequencies (shorter wavelengths) are difficult to generate, modulate, and control, are more hazardous to human exposure, and are absorbed in the atmosphere, so they're not too practical for communication.
The waves are called "electromagnetic waves". All types of EM waves can be used to study the Universe.