英语词汇henry的起源、历史背景-英语词源词典

henry. Scientist Joseph Henry’s career constitutes a series of famous firsts and foremosts. The U.S. Weather Bureau was created as a result of his meteorological work while first di- rector of the Smithsonian Institution, and Henry was the first “weatherman” to make forecasts from collected scientific data. Not only a brilliant administrator who initially planned the Smithsonian’s scope and activities, Henry has been ac- knowledged as the leading physicist of his day. His researches on sound gave America the best fog signaling service among maritime nations, he stimulated geologic and geographical exploration, and his influence on the character of science, es- pecially concerning the free publication of scientific results, was exceeded by no contemporary. Before becoming secre- tary of the Smithsonian in 1846, Henry taught physics at Princeton, where he built the first electromagnetic motor (1829) and devised the first practical telegraph (1830–31). It is not for the theory of electromagnetic induction that the henry, the measurement unit of induction, is named in his honor. This theory is credited to the English scientist Faraday, although Henry’s experiments may have preceded his, and it is for his theory of producing induced current (1832) that the International Congress of Electricians gave the celebrated American’s name to the standard electrical unit in 1893. He died in 1876 at the age of 81.

词汇	henry
词源	henry. Scientist Joseph Henry’s career constitutes a series of famous firsts and foremosts. The U.S. Weather Bureau was created as a result of his meteorological work while first di- rector of the Smithsonian Institution, and Henry was the first “weatherman” to make forecasts from collected scientific data. Not only a brilliant administrator who initially planned the Smithsonian’s scope and activities, Henry has been ac- knowledged as the leading physicist of his day. His researches on sound gave America the best fog signaling service among maritime nations, he stimulated geologic and geographical exploration, and his influence on the character of science, es- pecially concerning the free publication of scientific results, was exceeded by no contemporary. Before becoming secre- tary of the Smithsonian in 1846, Henry taught physics at Princeton, where he built the first electromagnetic motor (1829) and devised the first practical telegraph (1830–31). It is not for the theory of electromagnetic induction that the henry, the measurement unit of induction, is named in his honor. This theory is credited to the English scientist Faraday, although Henry’s experiments may have preceded his, and it is for his theory of producing induced current (1832) that the International Congress of Electricians gave the celebrated American’s name to the standard electrical unit in 1893. He died in 1876 at the age of 81.
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