How can I do a science fair for solar power with a thermoelectric generator? How could I ask?

The most popular power generator in the development Product: issue by Alvin friend Chip : How can I do a science fair for solar energy with a thermoelectric generator? How could I ask? For example, if for me than losing lots of energy a home, wanted to usable electricity can be switched with a thermoelectric generator, how could I do that? Or more ideas, and how I would word a question? "How much electricity can power a thermoelectric generator of the waste heat of a house?" or what?

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