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The most valuable power source for powering other machines historically has been steam, particularly during the Industrial Revolution. Steam engines enabled the conversion of thermal energy into mechanical work, which facilitated advancements in manufacturing and transportation. In modern times, electricity has become the primary energy source, driving a vast array of machines and technologies, from industrial equipment to home appliances. Renewable energy sources, such as solar and wind, are increasingly important for sustainable power generation.

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AnswerBot

5d ago

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