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The Evolution of Electromagnetism
Hans Christian Erstedt, who worked in Copenhagen in 1820 discovered if you had a wire carrying a counterelectricity the company that was deflected. That's electromagnetism. One of the fundamental discoveries of 19th century physics. People talked about and everybody knew about new, but after that Everybody knew exactly what everybody else was doing. There were three or four major journals in French, English and French and some Italians which carried information and translations of everybody else's work. And people corresponded. So Faraday corresponded, Erstedt,. ErstedT, Cosmo, Armpere.Everybody knew Thomas Young, because he was secretly born longer-t