The “Baghdad Battery”

This is a battery that is 2000 years old. No one is actually sure what it was for (they didn’t have electricity like we do) but they believe it WAS in fact a battery.

The jar was found in Khujut Rabu just outside Baghdad and is composed of a clay jar with a stopper made of asphalt. Sticking through the asphalt is an iron rod surrounded by a copper cylinder. When filled with vinegar – orany other electrolytic solution – the jar produces about 1.1 volts.

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