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How Do Radio Waves Work?
EM or electromagnetic radiation is made up of a magnetic field and an electric field. These fields travel in waves perpendicular to each other and can be classified based on their wavelength, which is the distance between the peaks of two waves. The type... More »
Difficulty: Easy
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Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic ... Radio waves were first predicted by mathematical work done in 1867 by Scottish mathematical physicist James Clerk Maxwell. ... It does not necessarily require a cleared sight path; at lower frequencies radio waves can pass ...


"Radio waves" transmit music, conversations, pictures and data invisibly through the air, often over millions of miles -- it happens every day in thousands of ...


Mar 5, 2017 ... That's more or less what an antenna (sometimes called an aerial) does: it's the metal rod or dish that catches radio waves and turns them into ...


May 26, 2017 ... Artwork: How radio waves travel from a transmitter to a receiver. ... How does this happen? .... How does a digital radio receiver work?

Jul 30, 2012 ... Your browser does not currently recognize any of the video formats available. Click here to .... This didn't explain how radio waves work at all.


Before we begin our investigations into radio waves you should review the following material on your .... So how does a radio work? A radio transmitter whose ...


Radio signals are electromagnetic waves. Except for DC, any electrical signal travelling on a wire produces an electromagnetic field and radiates ...


Jul 5, 2017 ... Ever wonder how AM/FM radio works? ... Learn how radio waves and broadcasts are created. ... Understanding How AM/FM Radios Work.