The history, standards, learning methods and modern uses of Morse code
How a painter turned inventor, Vail's overlooked contribution, "What Hath God Wrought," and the 1865 international standard.
Morse code is not folklore — it is an ITU standard still in force. The character set, timing rules, and what the document leaves open.
SOS does not stand for Save Our Souls. The real story: CQD, the 1906 Berlin convention, the Titanic, and the birth of SOLAS.
Memorizing the chart is the slowest route. Two proven training methods and a daily practice plan — full speed from day one.
How fast is 20 WPM? The 50-unit PARIS calculation, ITU timing ratios, and the "dot = 1.2 / WPM seconds" formula.
WRC-03 loosened the international rules in 2003 and the FCC ended code testing in 2007 — yet CW is more popular than ever.
Gboard's built-in Morse keyboard lets people type with switches, head movements, or blinks. Setup guide and official training resources.
From Vail counting printers' type to modern corpus statistics and Shannon's information theory — data compression, invented in 1838.