Navy ships typically communicate with each other via radio or satellites, but every ship has a few backups just in case. One of the most common backups is the signal lamp, where sailors can send Morse ...
Flashlight fish have the ability to generate situation-specific blink patterns resembling a visual Morse code. Researchers have shown in laboratory and field experiments that the animals use these ...
Today when we send information -- speech, words, numbers, or pictures -- to someone far away we can use the radio, telephone, television, fax machine, or a computer network. However, the need for ...
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