On the average highway there is room for three motorcars. If drivers would scrap their cars and ride motorcycles instead, room would be made for at least three times as many vehicles.
Similarly with the ether highways of the radio world: the wave-bands assigned to different stations must be spaced across the radio spectrum to avoid overlapping, garbling of messages. Reducing the "width" of the wave-bands would make "more room" on the air.
That was the significance of an invention announced last week in London. If it lives up to its inventor's expectations,...
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