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 ...

The first public demonstration of the electric telegraph, which uses Morse code, was done on Jan. 11, 1838, by inventors Samuel Breese Morse and Alfred Vail. Learn Your Name in Morse Code Day takes ...

Through the crackle and fuzz of long-distance radio, Karl Thompson easily translated the steady dit-dah, dit-dah, dit-dah of Morse Code from across the Atlantic. Thompson, operating amateur station ...