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      November 5, 1870The Sciences

      Official List of Patents- November 5, 1870

      December 19, 1908The Sciences

      Index of Inventions

      March 18, 1893The Sciences

      An age of Invention

      An Analysis of the Annual Report of the United States C ommissioner of PatentsGREAT ACTIVITY AMONG MEN OF MECHANICAL TALENT —NEW DEVICES AND THOUSANDS OF IMPROVEMENTS UPON FAMILIAR ONES—CURIOUS AND INSTRUCTIVE FACTS...
      February 23, 1907The Sciences

      Index of Inventions

      June 25, 1881The Sciences

      Index of Inventions

      May 2, 1908The Sciences

      Index of Inventions - May 2, 1908

      February 18, 1865The Sciences

      Patent Claims

      Issued from the United States Patent-Office
      September 1, 1984Technology

      Computer Software for Working with Language

      Programs can manipulate linguistic symbols with great facility, as in word-processing software, but attempts to have computers deal with meaning are vexed by ambiguity in human languages...
      December 1, 1987The Sciences

      The Fracturing of Glass

      Only recently have the atomic interactions underlying glass fracture been defined. The work suggests ways to slow or even stop the growth of cracks in glass and other brittle materials
      October 1, 2016Conservation

      Can Scientists Save Species Threatened by Climate Change by Relocating Them?

      To save species from climate change, scientists are looking to move them to areas they have never inhabited before—a strategy fraught with risk
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