Originally Posted by b_rads
The Penny circuit is absolutely amazing. Lidmotor also made one called the Steel Wire Pancake Coil that is very comparable as well.
I performed a very similar test a while back.
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Those circuits will almost run themselves -
The human body always have potential difference. So you can charge capacitors up to 1 volt..
When different metals are hold in hand, there is chemical reaction with magnesium and other active metals from human sweat. So that amplifies voltage.