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        冰雪传奇下载

        Find a list of famous inventions and their inventors, important discoveries, inductees into the Inventors Hall of Fame, biographies of important inventors and innovators, and more.

        Great Inventions from Great Minds Quiz

        A Guide to Inventions and Discoveries:
        From Adrenaline to the Zipper

        National Inventors Hall of Fame Inductees

        冰雪传奇下载The National Inventors Hall of Fame

        African American Inventors

        Seamstress
        A seamstress working at a sewing machine, ca. 1853. Source: Library of Congress.

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        Physical ScienceHealth and Science?

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