The Next-Generation Alvin Submersible

Alvin, the legendary research sub built by WHOI in 1964 and who allowed researchers to discover hydrothermal vent communities in 1977, is getting a major overhaul. Alvin allows researchers to conduct biological, chemical, geochemical, geological and geophysical studies while making 150 to 200 dives a year. Currently it can only reach depths of 4,500 meters (2.8 miles) and was planned for retirement until recently…

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