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The Chinese refined crude oil for use in lighting and heating.
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The Chinese used natural gas to make salt from salt water in gas-fired evaporators.
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The first horizontal-axis windmills appeared in Western Europe.
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Baltimore, Maryland, became the first city to light streets with gas made from coal.
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Joseph Henry invented the electrical relay.
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Auguste Mouchout was able to convert solar radiation directly into mechanical power.
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The first dam specifically designed for generating hydropower was completed near Ausin, Texas.
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The first dry steam geothermal power plant was built in Landerello in Tuscany, Italy.
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The first nuclear powered supmarine, the U.S.S. Nautilus, was launched.
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California's geothermal power plants provided 54.9% of the state's electricity.