The very deep sea is a forbidding, almost alien environment, inhabited only by odd, eyeless creatures that have adapted to its environment.
The water pressure where the Titanic rests is about 6,000 pounds per square inch. By comparison, atmospheric pressure is 14.7 pounds per square inch. Pressure builds in a linear fashion as a submersible descends. At the time the Titan submersible went silent it would have been dealing with pressures hundreds of times greater than at the surface.
What went wrong this time? There are many possibilities, including implosion of the vessel under pressure. She once was at 1,500 metres on an undersea mountain off the coast of Mexico when everything went dark, inside and outside. The pilot fiddled with electrical wiring and couldn’t get it lit up again, and so they quickly resurfaced.
“If anyone had seen a leak they would have dropped weights and come to the surface,” she said. “I’m guessing whatever happened, happened quickly.”
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