Wednesday, June 23, 2021

Today (June 23, 1891) is the Memorial Day of the German physicist Wilhelm Eduard Weber, who invented the first electromagnetic telegraph.

Today (June 23, 1891) is the Memorial Day of the German physicist Wilhelm Eduard Weber, who invented the first electromagnetic telegraph.

Wilhelm Eduard Weber was born on October 24, 1804, in Wittenberg, Germany, the son of Michael Weber, a professor of theology. Weber, the second of three people, was as interested in science as his other siblings. With the closure of the University of Wittenberg, his father moved to Hall in 1815. There he studied first with his father and later at the orphanage and grammar school. He then joined the university and immersed himself in physics. Weber, who excelled in his classes, also got a doctorate and a job as a professor at the same university. In 1831, at the suggestion of Carl Friedrich Kos, he was appointed professor of physics at the University of Gottingen at the age of 27. He encouraged his students to take the subjects and tests he explained in the college laboratory free of charge.

 


In his twenties, he co-authored a book with his brother Ernest Weber entitled Wave Theory and Fluidity. It is very famous. Acoustics was his favorite field of science. He has written many books in this field. He co-authored a book, The Dynamics of Human Behavior, with his brother, Edward Weber. These texts were written between 1825 and 1838. In 1833 Weber and Gass co-founded the first electromagnetic telegraph from their laboratory to the Gottingen Institute of Physics. In December 1837, the Anwar government fired Weber from the University for Political Reasons. Weber worked as a physics professor at Leipzig from 1843 to 1849, having traveled to other countries, such as England for some time. In 1849 Gottingen re-employed him.

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The most important work is the one designed according to the topography principles of the Earth's magnetic field, which he wrote with Carl Friedrich Goss and Carl Benjamin Goldsmith. Magnetic laboratories were established by his initiative. He studied magnetism with Cass. In 1864 he described the protocols for measuring current in his book Electrical Proportional Measurements. In 1855 he was elected a foreign member of the Royal Swedish Academy of Sciences. In 1856 he collaborated with Rudolf Coleroch to prove that the ratio between phase electromagnetism and electromagnetic force was the number equal to the speed of light then discovered. This proof later led Maxwell to infer that light is electromagnetic waves. And it also spawned electronics. Also in 1856 Weber and Gottingen first used the symbol "c" for the speed of light in one of their dissertations. 


Wilhelm Eduard Weber, who invented the first electromagnetic telegraph with Carl Casse, passed away on June 23, 1891, at the age of 86, in Gottingen. Weber (Wb), the international unit for magnetism, is named in his memory. Max Blanc was buried in the same cemetery where Max Bourne was buried when Weber died in Gottingen.

Source By: Wikipedia

Information: Ramesh, Assistant Professor of Physics, Nehru Memorial College, Puthanampatti, Trichy.



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