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The steam engine could generate power and transmit it to a machine.
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it was a lightbulb, but not the style of modern ones we use today.
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Could produce oil and gas in sufficient quantities, which makes it economically viable.
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Consisted of pairs of copper and zinc discs piled on top of each other, separated by a layer of cloth or cardboard soaked in brine.
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The same electric lamps we have today, but not as modern.
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The first automobile was a one-cylinder two-stroke unit.
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The Hoover Dam was opened to the public.
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The discovery of nuclear fission was the main process to generating nuclear energy.
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An electrical device that converts the energy of light directly into electricity.
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Designed to absorb the sun's rays as a source of energy for generating electricity or heating.