Research Engineer Matt Heintz tests the capabilities of a manipulator arm that he helped develop for the new deep-diving vehicle Nereus in the Deep Submergence Lab at Woods Hole Oceanographic Institution. In this case, he is seeing how the arm handles taking push cores—that is, pushing cylindrical tubes into the seafloor to take sediment samples. (Photo by Tom Kleindinst, Woods Hole Oceanographic Institution)[back]
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