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Where does energy come from and how is it converted into electricity? What are the different types of electrical circuits and how are buildings designed to be energy-efficient? Then build a waterwheel, put together your own solar oven, and more!
Where does energy come from and how is it converted into electricity? What are the different types of electrical circuits and how are buildings designed to be energy-efficient? Then build a waterwheel, build your own solar oven, and more!
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