How Scientists Upgraded Alvin Into a Superpowered Sub

Bryan Christie Design Deep-sea explorers and scientists have long relied on the Alvin submersible, based in Woods Hole, Massachusetts, to visit the abyssal depths. But after 50 years of diving everywhere from hydrothermal vents to the wreckage of the Titanic, it was ready for a makeover. Three years and $41 million later, Alvin is back […]