Technically “SOS,” doesn’t officially stand for any of these phrases. It’s the international abbreviation for distress—not to be confused with an acronym (see acronym vs. abbreviation for the ...

The Morse code took communications to a new level more than 160 years ago. The telegraph was the equivalent of today's computer, and the Morse code was its language. In their day, telegraph dots and ...

Morse code, the language of the telegraph, is a system of communication that's composed of combinations of short and long tones that represent the letters of the alphabet. The tones are sometimes ...