Navy ships typically communicate with each other via radio or satellites, but every ship has a few backups just in case. One of the most common backups is the signal lamp, where sailors can send Morse ...

QM3 Karlo Broussard communicates with ships in Pearl Harbor using a signal lamp in the Naval Station Pearl Harbor Signal Control Tower in 2008. US Navy Photo For more than 200 years the signal lamp ...

The first message sent by Morse code’s dots and dashes across a long distance traveled from Washington, D.C., to Baltimore on Friday, May 24, 1844 – 175 years ago. It signaled the first time in human ...