DEEPSEA CHALLENGE – National Geographic Explorer James Cameron’s Expedition
As with spaceships, deep-sea submersibles must be engineered to accommodate innumerable challenges, including dramatic changes in pressure and temperature and a total absence of sunlight. In the process of meeting these challenges, the DEEPSEA CHALLENGER submersible engineering team has made historic breakthroughs in materials science, incorporated unique approaches to structural engineering, and innovated new ways of imaging through an ultrasmall stereoscopic camera capable of withstanding the pressure at full ocean depth. After reaching the seafloor, the DEEPSEA CHALLENGER was able to explore the bottom for several hours—dramatically longer than the 20 minutes U.S. Navy Lt. Don Walsh and Swiss oceanographer Jacques Piccard were able to spend there during their expedition in the bathyscaphe Trieste on January 23, 1960.
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