They listened and listened until the beeps and boops finally made sense. And then it was time to go. A husband and wife briefly escaped from a secure memory unit at an assisted living facility in ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...

With over 160 years of history under its belt, Morse code is by far the oldest digital signaling system known to man. Originally developed for telegraph systems, [Samuel Morse’s] code has been sent ...