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1876 the telephone: Alexander Graham Bell 

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1876 the telephone: Alexander Graham Bell 

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1879 patent incandescent light bulb : Thomas Edison

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1879 patent incandescent light bulb : Thomas Edison

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1894 wireless telegraph: Guglielmo Marconi

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1894 wireless telegraph: Guglielmo Marconi

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1914 patents first modern refrigerator: Florence Papart

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1914 patents first modern refrigerator: Florence Papart

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1925 mechanical television: Jhon logie baird

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1925 mechanical television: Jhon logie baird

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1936 Turing machine, a computer : Alan Turing

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1936 Turing machine, a computer : Alan Turing

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1969 the first CCTV home security system: Marie Van Brittan Brown

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1969 the first CCTV home security system: Marie Van Brittan Brown

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1973 The first phone call on a mobile prototipe: Martin Cooper

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1973 The first phone call on a mobile prototipe: Martin Cooper