Let the light shine
The electric engine (a magnet rotating within an conductor coil ) ,when rotated, lights a bulb. Suggest ways to rotate it "automatically" so that the light will shine without the need that you stand by it and rotate it. In other word: build a small power station!
In the project you create a sketch of how and electric power station can work: how the handle will be rotating? By which energy? Which apparatus? What is the benefits of your suggestion?
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