Morse code, the language of the telegraph, ... Morse code was the main language of Western Union for decades, until a new technology -- the teleprinter -- replaced the telegraph system in the 1920s.

Morse Code Day, observed on April 27, honors Samuel Morse, the inventor of Morse code, and celebrates this groundbreaking method of communication. Before modern technology, messages took weeks to ...

Long relishes the nostalgia of it. “Morse Code has been around for over 150 years starting with telegraphs back in the 1800s. It’s a simple, fun way to contact people around the world.” ...

First used to send messages over land in 1844, Morse code outlived the telegraph age by becoming the lingua franca of the sea. But by the late 20th century, satellite radio was turning it into a ...

This article was originally published with the title “ The Morse Telegraph—Its Principle ” in Scientific American Magazine Vol. 8 No. 20 (January 1853), p. 156 doi:10.1038 ...