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The MacGyver Flashlight

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How to light a bulb with one wire and one battery.
 
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Step 1: Obtain a battery, an electric wire, and a small light bulb

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That's right. You only need one wire.

Step 2: Strip both ends of the wire

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step2.1.jpg
Remove the insulation covering the metal portion of the wire with a knife or wire stripper to expose the ends of the wire about one cm long.
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