Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The following is excerpted from Your Brain is a Time Machine: The ...

In the modern world of smartphones and lightning fast internet, amateur (ham) radio operators still enjoy communicating over the radio by tapping telegraph keys just like the pioneers did in the ...

Morse code is a method of encoding words that was invented in the 19th Century as a way of transmitting messages over long distances. This was before the era of telephones and way before smartphones!