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William Gilbert releases his principal work, De Magnete

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Stephen Gray discovers electrical conduction. He discovered it with experiments involving a glass tube connected to various objects

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Sir Humphry Davy discovers arc lighting

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Sir William Fothergill Cooke and Charles Wheatstone patented the first telegraph

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Samuel Morse creates Morse Code

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Samuel Morse builds the first telegraph line in the US

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Police officers made the unprecedented decision to use a telegraph to send a message in pursuit of a suspected murderer. This leads to an increased popularity of the telegraph

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The Great Eastern succeeded in laying the first transatlantic telegraph line

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Zénobe Gramme developed the Gramme Dynamo

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Alexander Graham Bell invented/patented the telephone

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Thomas Edison patents the first commercially viable incandescent light

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Heinrich Hertz discovers electromagnetic waves

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William Kemmler becomes the first person to be put to death in the electric chair

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The invention of the television

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The development of the transistor causes computers to gain a broader audience

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Marcian Hoff conceives a universal processor, which led to the Intel 4004 (the worlds first commercial microprocessor)