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1838 – telegraph

1838 is often listed as the year for the invention of the telegraph. This was when Samuel Morse first successfully tested his electrical telegraphy device in the US. Cooke and Wheatstone listed a patent in England for a similar device in 1837 as an alarm system. In 1836, David Alter, a US scientist, demonstrated a […]

1831 – Maxwell – bio

James Clerk Maxwell was a mathematician and physicist who was born in Scotland in 1831. His differential equations that describe the electromagnetic process are now known as “Maxwells Equations”. They were able to build upon the work of Gauss with electric charge and magnetism and the work of Faraday with induction and the work of […]