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Electrolysis is discovered when an electric current is applied to water to form hydrogen and oxygen.
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The earliest commercial mine for coal occurred near Richmond, VA.
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Samuel Morse invented the telegraph, capable of transmitting messages through a wire.
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John D. Rockefeller develops petroleum as America's major energy source. Eventually, it becomes the sole provider of oil.
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Thomas Edison invents the lightbulb, replacing lamp fuels.
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James Blyth invented the first turbine that produces electricity.
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Charles Brush invented the first electricity producing wind turbine. The wind turns the fans, generating power.
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By using electrolysis cells, Henry Becquere discovered the use of solar power.
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A geothermal plant is built in California; the first in the world. It gathers power from the earth's internal heat.
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Hoover Dam is an engineering marvel, being the world's largest hydroelectric plant. It can produce over 2,000 megawatts of capacity.
