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Lasted longer and more effective
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The first incandesant light made of batteries and two charcol rods gave light from electricity to the first few cities.
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The first constant light was demonstrated in Scotland.
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Lightning in a ube was possible from a long tube of glass and passing an electrical current through it. This was called Geissler tubes.
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Multiple inventors from across the world compete to make the best incandescent light bulb.
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Take electricity from a whole a central generator to create the first commerical power utility in Manhattan.
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Blue-green light that started the kick off of fluorscent lights
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The light swere located in New York and San Francisco
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In part due to WWII.
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The United States Department of Energy created a competition to push the development of light products
