However, each sound must be different in intensity and duration to make sure the right message is conveyed. These auditory signals are illustrated in the rule book by o’s and lines.

Instructables user [tanbata] recently got his hands on a Google Anroid figurine and thought that while it looked great, it served no real purpose. He decided to change that, and converted this once… ...

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 ...