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How Do You Make A Foxhole Radio In Twenty Minutes?

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How Do You Make A Foxhole Radio In Twenty Minutes?

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In the 1930s, soldiers found a nifty way to listen to the news. Using a few simple household supplies, anyone can build a foxhole radio. You don’t need a crystal diode or batteries to make it work. It’s powered solely by the radio waves in the air. In less than an hour, you too can have a working tunable radio. First let’s make the coil. Make four holes in the cardboard tube, two at the top and two at the bottom. This is where you can fish the magnet wire through. Make sure that the wire is going the same direction. Make a coil around the tube with 120 turns. Use a brad for each loose end of the magnet wire to fasten them to the board. Now let’s make the tuner. Take the coat hanger. If necessary, sand off any lacquer for better conductivity. Straighten the coat hanger and cut it so that you have a seven-inch rod. Make a loop on one end of the rod that’s the right size to be held down by a brad. Make a tape “ball” on the other end of the rod so that you have a knob to hold onto when you

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