Internet

Sweden public radio exits Twitter, says audience already has

Sweden's public radio said Tuesday that it would stop being active on Twitter, but it did not blame new labels that Elon Musk 's social media platform has slapped on public broadcasters, leading some major North American ...

page 17 from 19

Radio

Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space. Information is carried by systematically changing (modulating) some property of the radiated waves, such as amplitude, frequency, or phase. When radio waves pass an electrical conductor, the oscillating fields induce an alternating current in the conductor. This can be detected and transformed into sound or other signals that carry information.

This text uses material from Wikipedia, licensed under CC BY-SA