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Inventions

  • Question of

    Who invented the BALLPOINT PEN?

    • Biro Brothers
    • Bicc Brothers
    • Waterman Brothers
  • Question of

    In which decade was the first solid state integrated circuit demonstrated?

    • 1950s
    • 1980s
    • 1970s
  • Question of

    Which scientist discovered the radioactive element radium?

    • Isaac Newton
    • Benjamin Franklin
    • Marie Curie
  • Question of

    When was barb wire patented?

    • 1900
    • 1895
    • 1874
  • Question of

    who invented the scale used to measure the magnitude of earthquakes?

    • Hiram Walker
    • Joshua Rumble
    • Giuseppe Mercalli
    • Charles Richter
  • Question of

    Who invented Jet Engine?

    • Sir Frank Whittle
    • Roger Bacon
    • Lewis E. Waterman
  • Question of

    In which decade was the telephone invented?

    • 1850s
    • 1860s
    • 1870s
  • Question of

    What Benjamin Franklin invented?

    • Barometer
    • Radio
    • Hygrometer
    • Bifocal spectacles
  • Question of

    When were blue jeans invented?

    • 1860s
    • 1870s
    • 1880s
  • Question of

    When were bar code scanners invented?

    • 1930s
    • 1940s
    • 1950s
    • 1970s

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