Radio waves
Meaning
Radio waves are low-frequency electromagnetic waves that carry information through air and space. They power broadcast radio, TV, cell signals, Wi‑Fi, and radar. They travel far, bounce off the ionosphere, and pass through clouds and walls.
Synonyms
Examples
The mobile phone is not a toy; it's a device that uses radio waves.
As far as the radio waves part of the spectrum, we can do these adequately from the ground because the atmosphere is basically transparent to our radio waves.
I invent by analogy. I thought, 'It's commonplace that you can mix colors, smear them together to get new emerging colors. Likewise, you can mix radio waves to get new frequencies.' So, I wondered, 'Why can't you mix sound to get new sounds?'
Radio waves can be made to carry information by varying a combination of the amplitude, frequency, and phase of the wave within a frequency band.
Greetings From Norway: Tucson Radio Waves Travel to the Arctic'Mars is Beautiful,' UA Scientists Enthuse Over Book of HiRISE ImagesThat Time Andy Warhol Tried to Shoot a Western in Tucson.
Radio waves from space were first detected by engineer Karl Guthe Jansky in 1932 at Bell Telephone Laboratories in Holmdel, New Jersey using an antenna built to study noise in radio receivers.