It may be the ultimate SOS. Morse code is in distress. The language of dots and dashes has been the lingua franca of amateur radio, a vibrant community of technology buffs and hobbyists who have ...

We use it in our texts and everyday slang. So, what does "SOS" actually mean? Here's everything you need to know about the term and its military origins, plus the feature on your iPhone that utilizes ...

The distress signal CQD originated from the signal CQ, expressing "seeking you," or "all stations." The signal CQ was commonly used among wireless operators -- and land-based telegraphers before them ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You’ll likely never need to chat with anyone using Morse code ...