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July 2018    Download the Entire Issue (PDF) Vol. 33, No. 7   RSS Feed for Undercurrent Issues
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Blubber For SEALs and Penguin Feathers

from the July, 2018 issue of Undercurrent   Subscribe Now

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Carrying out missions in Arctic waters of less than 50°F (10°C), U .S . Navy SEALs needed a wetsuit that would enable them to survive underwater longer than they now can . The Defense Department and MIT researchers came up with a radical new system emulating the blubber of seals and combining the pockets of air trapped in the feathers of penguins . They developed a simple coating for existing wetsuits that can triple the survival time for the diver wearing them ....


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