In the mid-20th century, when people looked at a map of the world, they saw the familiar continents surrounded by vast, ...
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How Deep Is the Ocean?
Take a deep dive into the ocean’s secrets. ExtremeTech reveals its hidden layers and life forms. Discover the depths of our ...
Experts have been working on mapping the ocean floor with traditional methods, sending ships across the water with sonar ...
This expedition was the first use of closely spaced echo sounders to map deep sea topography and the first to reveal the extent of the sea floor's rugged ... now called the Mid-Ocean Ridge.