TELEGRAPH
Samuel Morse was with friends and debating electromagnetism when he realized that if an electrical signal could travel instantly across a wire, why couldn't information do the same?
The telegraph was invented by not only Morse, but also Charles Wheatstone, Sir William Fothergill Cooke, Edward Davy, and Carl August von Steinhiel so near to each other that the British Supreme Court refused to issue one patent.
It was Joseph Henry, who discovered that coiling wire would strengthen electromagnetic induction.
Of Morse's contribution -- application of electromagnets to boost signal strength.
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The telegraph and Morse code
In 1835, inventors Joseph Henry and Edward Davey independently demonstrated electromagnetic relay, where a weak electrical signal can be amplified and transmitted across long distances. Cooke and Wheatstone invented the telegraph shortly after.
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