the Internet, 1969, 1969, light bulb, 1906, 1906, telephone,1876, 1876, refridgerator, 1850, 1850, braille, 1829, 1829, thermometer, 1593, 1593, microscope, 1590, 1590, printing, 1440, 1440, paper, 100, 100, wheel, around 3,500 BC, around 3,500 BC.

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