With the size of electronic parts and batteries these days, very small items are obviously becoming more and more viable. [Yann Guidon] has made some awesome pieces of LED jewelry using a minimal ...

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 ...

What’s the worst thing about traditional Morse keyers? If you ask us, it’s the fact that you have to learn how to do two distinct things with one hand, and switch between them quite quickly and often.