How Radio Works - 1937

Turns out radio works pretty much the same way today as it did in 1937. This little GM sales film actually explains how radios work,and does a pretty good job of it, too.

Check out the 'aerial' on the 'radio set' in the car.

http://www.youtube.com/watch?v=6VHtZr_xsT8

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Short Wave - The Long and the Short of it

Interesting blog item on listening to international short wave radio.

http://blog.wired.com/geekdad/2008/02/shortwave-radio.html