World Record Set: Longest time living underwater without depressurization

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Sep 3, 2017
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From: Phys.org > News > Other Sciences > Other
German man sets world record living for 120 days underwater
(Jan. 25, 2025)

A German aerospace engineer celebrated setting a world record Friday for the longest time living underwater without depressurization—120 days in a submerged capsule off the coast of Panama.

Rudiger Koch, 59, emerged from his 30-square-meter (320-square-foot) home under the sea in the presence of Guinness World Records adjudicator Susana Reyes.

She confirmed that Koch had beaten the record previously held by American Joseph Dituri, who spent 100 days living in an underwater lodge in a Florida lagoon. ...

Koch's capsule had most of the trappings of modern life: a bed, toilet, TV, computer and internet—even an exercise bike.

Located some 15 minutes by boat from the coast of northern Panama, it was attached to another chamber perched above the waves by a tube containing a narrow spiral staircase, providing a way down for food and visitors, including a doctor. ...

Four cameras filmed his moves in the capsule—capturing his daily life, monitoring his mental health and providing proof that he never came up to the surface.

"We needed witnesses who were monitoring and verifying 24/7 for more than 120 days," Reyes told AFP. ...

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From: Phys.org > News > Other Sciences > Other
It's nothing. No pressure, right? If it was a depressurized environs, it was probably a few meters down from the surface. Being in a Florida lagoon would make it a tad more interesting with looking out the window at wildlife, I suppose.
 

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