We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn and work.

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Helen Shield (VO): You may know someone who fell in love through writing letters. It'd be hard to not ...

The first public demonstration of the electric telegraph, which uses Morse code, was done on Jan. 11, 1838, by inventors Samuel Breese Morse and Alfred Vail. Learn Your Name in Morse Code Day takes ...