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helenS · 36-40, F
An electrochemical battery; a direct current motor fed by the battery. Lots of useful chemical substances.
Oh, and I could teach people calculus before Newton invented it! 😏
I'd be the Queen of the World 🤴🏼
Oh, and I could teach people calculus before Newton invented it! 😏
I'd be the Queen of the World 🤴🏼