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The Hopi Indians burned coal for cooking, warmth, and firing pottery,
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Scientists Averoni and Targioni use a large glass and the sun rays to melt a diamond.
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Companies start hiring miners to find and burn coal.
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Ben Franklin discovers that lightning is energy.
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Michael Farady creates the first electric motor.
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Commercial mines began burning coal to convert it into energy.
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August Mouchat designs a solar food cooker
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Charles Brush builds first automatically operating wind turbine.
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The first geothermal powerplant is built in Laderello, Italy.
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The first electric refrigerator is created.