Ah keypads. Before fingerprints and retinas, they were the ultimate in security, boasting over 3.5 million possible permutations here at Gadgetbox with the Thanko Morse Code Drive. Here’s the scoop.

Morse code encodes a simple text into a sequence of dots, dashes/dits, and spaces. It is one of the earliest methods used to transmit messages in the form of audible or visual signals. The Morse code ...

We talk about Morse code, named after its inventor, Samuel Morse. However, maybe we should call it Vail code after Alfred Vail, who may be its real inventor. Haven’t heard of him? You aren’t alone.

Eddie King is affiliated with the Institute of Electrical and Electronic Engineers (IEEE) as a Senior Member. He is also a member of the Amateur Radio Relay League (ARRL), American Association of ...