TechKnow’s Phil Torres and crew are about to travel to an area as vast as it is remote, mostly unexplored, with seemingly limitless resources. They are on a mission 3,000 feet under the sea. Their vessel is a submersible named Alvin, and they are off the coast of Costa Rica. Alvin is a machine designed to dive more than ten football fields deep, to explore one of the earth’s undersea vents.
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