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before the 1800's, fire was the only means of lighting a room. people often used candles, kerosene lamps, fireplaces, torches, and matches. it wasn't until 1800 that Humphrey Davey discovered how to create a glowing electric arc by running a current through a piece of carbon. Thomas Alva Edison perfected this method in 1879 by experimenting with different materials so that his incandescent light bulb would last for hours at a time.

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14y ago

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