Super Simple Homemade Radio

Take some wire, a razor, a safety pin and an ear piece; stir in some MacGyver and you've got yourself an AM crystal radio - only without the crystal! The razor and safety pin act as a diode. It really doesn't take too long once you get the hang of it. Designed by soldiers in WWII, the "Foxhole Radio" is a great weekend or rainy day projec

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