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Period: to
coal used to produce light
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first ethanol engine invented
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Bacquerel studied how sunlight might be used as energy
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thomas edison Invented the lightbullb
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Charles fritz converted sun into energy
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Charles Brush discovered how to turn wind into electricity
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The first Geothermal power plant built
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Albert Einstein publishes work on photovoltaic solar energy
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solar pannels invented
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2003 northeast blackout
