Popular Science -
20 Nov 2012 17:00

Remotely operated excavators for mining in the abyss Centuries of underwater volcanic activity have blanketed the ocean floor in precious metals. Now, with the aid of the world’s most powerful excavation machines, a company called Nautilus Minerals is set to begin extracting those metals from the first large-scale deep-sea mine. The Toronto-based firm teamed up with the deep-sea trencher specialist Soil Machine Dynamics to build three remotely operated machines. Hybrids of land excavators...
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