Deep-Sea Submersible Alvin, Discoverer of the Titanic, To Be Replaced By Bigger, Badder Sub
The NY Times has a piece today about the monumental task of forging a pressure hull out of raw titanium to be used in the replacement for the legendary Alvin, the Navy's only currently operational deep-sea scientific sub that first explored the wreckage of the Titanic. Where Alvin could dive 2.4 miles down, its successor can go up to four miles under (hence the serious forging above), which will open up 99% of the ocean floor for exploration. That's a pretty big deal.
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