Larry Kahaner - Larry Kahaner is an American journalist and author who resides in Bethesda, Maryland. Steve Galchutt shows off the custom-made low-wattage transmitter he uses on his treks. Chase Brush ...

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!