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On This Day

  • 7-25-1783

    Founding of the Royal Academy of Science in Turin, Italy.

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    Turin History
  • 7-25-1808

    Johann Benedict Listing born in Frankfurt-am-Main, Germany. A student of Gauss, Listing worked in topology, geology, and optics, among other areas. He coined the term "topology" as a replacement for the phrases "geometria situs" and "analysis situs."

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    Johann Benedict Listing
  • 7-25-1837

    First commercial use of an electric telegraph demonstrated by William Cooke and Charles Wheatstone between Euston and Camden Town in London, England. Also, on this day in 1920, the first trans-Atlantic two-way radio broadcast was made.

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    Telecommunication

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