On March 23, 1875, the HMS Challenger stopped in the middle of the Pacific Ocean, southwest of the Mariana Islands, to conduct a routine depth sounding. As they’d done countless times before, the ...
Roughly 200 kilometers east of the Mariana Islands in the western Pacific, the seafloor drops away into a crescent-shaped gash more than 2,500 kilometers long. At its deepest point, a narrow slot ...
But to make it happen, explorer and filmmaker James Cameron had to design and build his own vehicle, a futuristic submersible called DEEPSEA CHALLENGER. After seven years spent on research, design, ...
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