The strange-looking vessel was called a bathyscaphe, or “deep ship.” There was just enough room in its 7-foot crew sphere for two people. Most of the vessel was huge tanks of lighter-than-water ...
NATIONAL RECONNAISSANCE OFFICE Much of the recovered Hexagon spy satellite film disintegrated as it was lifted from the ocean. What followed was the deepest underwater salvage operation ever mounted ...
It's a plot worthy of a Hollywood action movie: 40 years ago, the U.S. Navy carried out a daring mission to retrieve a top-secret film capsule that had settled more than 16,000 feet (4,876 meters) ...
It's a plot worthy of a Hollywood action movie: 40 years ago, the U.S. Navy carried out a daring mission to retrieve a top-secret film capsule that had settled more than 16,000 feet (4,876 meters) ...
The invention of syntactic foam, a buoyant material made of tiny air-filled glass beads embedded in plastic, spelled the end of the bathyscaphe and its dangerous, fragile gasoline balloon. Trieste II ...
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