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SONAR
Scientists aboard the German ship, Meteor, use SONAR for the first time to map the ocean floor. -
Invention of SCUBA
Jacques Cousteau invented SCUBA, which revolutionized ocean exploration, allowing divers to dive to depths of over 40 meters. -
That's Deep!
The submersible, Trieste, built and driven by Jacques Piccard, travelled to the bottom of Challenger Deep, an 11 km trench.