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The steam engine could generate power and transmit it to a machine.
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It was a light-bulb, but not like the ones we use today.
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It could produce oil and gas in giant quantities and made it economically viable.
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This consisted of copper and zinc discs put on top of each other. The copper and zinc were separated by a layer of cloth that was soaked in brine.
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This was a one-cylinder two-stroke unit.
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The Hoover Dam was opened to the public this day.
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The discoveryof this was the main process to generating nuclear energy
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This was an electrical device that converted energy of light directly into electricity.
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President Truman signs the Atomic Energy Act of 1946.
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A solar Panel was designed to absorb the sun's rays and use the energy for generating electricity or heating.