Inside the Supreme Court chamber of the U.S. Capitol on May 24, 1844, Samuel F.B. Morse sat down to make history. The moment was the culmination of more than 12 years of work, and it was only in the ...

"Morse code" is used to express letters and numbers by combining codes of different lengths, such as "Ton Ton Ton, Toe". Although it is a Morse code that uses only two codes, it is hard to memorize ...

If you are a ham radio operator of a certain age, you probably remember ads for “The Instructograph,” a mechanical device for learning Morse code. [Our Own Devices] has an ancient specimen of the ...

In the modern world of smartphones and lightning fast internet, amateur (ham) radio operators still enjoy communicating over the radio by tapping telegraph keys just like the pioneers did in the ...