12. A Potato Battery Can Light Up a Room For Over a Month

    Can you believe you can light up your room over a month by using a potato battery? According to the researchers at the Hebrew University of Jerusalem, potato which is boiled about eight minutes have a power ten times better than a raw one. However, how the 'Potato battery' really works is the potato acts as 'salt-bridge' between two metals attached to each side of potato, and it allows the electron current to move across the bridge to create electricity.
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