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Problem 3

What is a perpetual motion machine? Can such a ma…

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Problem 2

What is nature's heat tax, and how does it relate to energy use?

Answer

Nature's heat tax is an unavoidable cut of energy for every energy transaction. In most energy transactions, some energy is lost to the surroundings, so that each transaction is only fractionally efficient. Consequently, the most efficient use of energy generally occurs with the smallest number of transactions.


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