Broadcast Tue 9 May 2017 at 7:30pm Tuesday 9 May 2017 at 7:30pm Tue 9 May 2017 at 7:30pm Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. John Riddett ...

Morse code is a communication system developed by Samuel Morse, an American inventor, in the late 1830s. The code uses a combination of short and long pulses – dots and dashes, respectively – that ...