Microblog post: "My son is only in 10th grade and look what he invented!! Harvard here we come!". Pictures of a frame that holds a cable that can be attached to the metal of a power plug
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[–] 0 points 1 day ago (1 child)

That metal hook thing is shorting the circuit, acting as a resistor. That means it'll heat up, and could easily start a fire.

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