A Canadian inventor named Reginald Fessenden invented SONAR in the early 20th century.
seafloor spreading
Paul Langevin invented sonar.
sonar means '...of, or relating to sound'
SONAR=Sound Navigation And Ranging
Fessenden's InventionsHe invented the radio and Fathometer
A Canadian inventor named Reginald Fessenden invented SONAR in the early 20th century.
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A Canadian inventor named Reginald Fessenden invented SONAR in the early 20th century.
Fessenden oscillator
Fessenden oscillator
The word sonar is an acronym for SOund Navigation And Ranging. There were some physicists that have worked on and studied the effects of sonar. The Canadian physicist Robert William Boyle, A B.Wood, and engineer Reginald Fessenden have all studied and made advancements in sonar knowledge.
seafloor spreading
Paul Langevin invented sonar.
Well the first broadcast in the world was on Dec.24,1906.
He did some early experiments with radio in Canada, and he may have transmitted before Marconi in Italy.
Jamie Fessenden's birth name is James Corey Fessenden.