The science or practice of using or constructing communications systems for the transmission or reproduction of information.
- Various modes of communication - railroads, telegraphy, telephony, broadcasting - have been enlisted as part of the nation building and cultural identity strategies of successive governments throughout Canadian history.
- Samuel Finley Breese Morse invented the Morse system of telegraphy in the 1840s in the United States.
- Around 1912, Johnson had his first experience with electronics when his half brother, Charlie Nelson, strung lines between two neighborhood houses for Morse telegraphy.
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