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1769 Steam engine invented by James Watt
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1799 Humphrey Davy discovers nitrous oxide (laughing gas)
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1834 Refrigerator invented by Jacob Perkins
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1835 Morse code invented by Samuel Morse
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1843 Typewriter invented by Charles Thurber
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1876 Gasoline carburettor invented by Daimler
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1877 Microphone invented by Emile Berliner
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1883 Maxim invents the machine gun
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1883 First skyscraper built in Chicago (ten stories)
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1893 Roentgen discovers X-rays
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1895 Diesel engine invented by Rudolf Diesel
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1907 Color photography invented by Auguste and Louis Lumiere
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1928 Antibiotics, penicillin invented by Alexander Fleming
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1946 Microwave oven invented by Percy Spencer
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1971 E-mail invented by Ray Tomlinson
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1973 Personal computer invented by Xerox PARC
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World's first commercially operated maglev train in Shanghai
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Scientists unveiled the world’s tiniest eyedropper, capable of squeezing out zeptoliter droplets.
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It was reported that Pulickel Ajayan and colleagues at Rensselaer Polytechnic Institute had developed a flexible battery using carbon nanotubes and cellulose.
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Amazon.com started selling there kindle electronic book reader
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Spain Samsung of South Korea unveiled the world's first solar-powered mobile phone