Taking a few nickels and a few pennies we can create an awesome battery. We all know about the lemon battery, but did you know that by applying the same premise to coins, we can create a battery as well? All you need are a few nickels, a few pennies and either lemon juice or vinegar.
The sequence is: Nickel, Acid, Penny - Nickel, Acid, Penny etc... Don't put acid between each coin.
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