History of Technology Project

  • The Complex Number Calculator

    The Complex Number Calculator
    In 1939, Bell Telephone Laboratories completed this calculator, invented by scientist George Stibitz. In 1940, Stibitz showed off the complex number calculator at an American Mathematical Society conference held at Dartmouth College.
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    History of Technology Project

  • The z3 Computer

    The z3 Computer
    The Z3 computer was invented by Konrad Zuse in Berlin Germany. It was then destroyed in a bomb raid and when't under recreation. The new one is now on display at the Deutsches Museum in Munich.
  • The colossus

    The colossus
    Designed by British engineer Tommy Flowers, the colossus was used to break the ciphers that the Germans used in World War II.
  • Williams-Kilburn tube

    Williams-Kilburn tube
    The first fully entirely electronic High speed memory. The tube worked with a magnet that checked change in values.