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  • Category: Miscellaneous

    The world's 30 most important inventions ever!

    Modern oil refining: Scotland, 1848
    The internal combustion engine: France, 1859
    The telephone: USA/Canada, 1876
    The light bulb: USA, 1879
    The car: Germany, 1886
    The radio: Italy, 1895
    The aeroplane: USA, 1903
    Modern air conditioning: USA, 1902
    Modern air conditioning: USA, 1902
    Penicillin: England, 1928
    The transistor: USA, 1947
    The contraceptive pill: USA, 1950s
    The cell phone: USA, 1973
    The World Wide Web: Switzerland, 1989
    The Gun powder China
    The Paper China
    Printing press 1439 Johannes Gutenberg Germany
    Telephone Alexander Graham Bell in 1876. Canadian and American
    Wheel 3500 BCE,Mesopotamians
    Anesthesia American 1847 Henry Bigelow
    Mobile phones Martin Cooper American engineer
    Computer Charles Babbage United States of America

    you can Finad all below
    https://www.google.com/search?q=The+world%27s+30+most+important+inventions+ever&oq=The+world%27s+30+most+important+inventions+ever&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg80gEHOTI0ajBqN6gCALACAA&sourceid=chrome&ie=UTF-8
  • #782921
    The author of the thread has given a good collection of major inventions. He might have given all 30 inventions so that readers can get full information. I thank the author for the information shown.
    drrao
    always confident

  • #782925
    Almost, I wrote on the above, you can find you can go through url of the above given
    Based on the situation, humans in the society should follow an abelian group (Closure, Associative, Identity, Inverse, and Commutative)-- Bhushan


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