Moment of Um
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How do batteries work?
Batteries power lots of stuff that people use everyday, like cellphones, toys and laptop computers. Some batteries can even be recharged after they run out of juice. But how do batteries store electricity? We asked chemistry professor James McKone to help us find the answer. Got a question that’s got you all charged up? Send it to us at BrainsOn.org/contact, and we’ll run a whole battery of tests to find the answer.
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