Samuel Morse, together with Joseph Henry and Alfred Vail The development of the earliest telegraph systems started in the 19th century following the discovery of electromagnetism in 1820. Morse code is frequently used in geocaching mystery caches (puzzle caches), CTFs and logic puzzles. There are also special Morse alphabets for other languages than English.Words are separated by a space equal to seven dots. Letters are separated by a space of duration equal to three dots.The International Morse Code includes the English letters, some extra Latin letters, the Arabic numerals and a small set of punctuation and procedural signals.This makes transmission much faster than if all letters would have equal length codes. The Morse alphabet is designed so that the most frequent letters in the English alphabet has the shortest codes. ![]() ![]() It has been widely used in the maritime world until the end of the 20th century. ![]() The Morse alphabet became a worldwide standard in 1865. Morse code is named after Samuel Morse, one of the inventors of the telegraph.
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