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A comment on Surviving 75 hours alone in the ocean. Parent comment

Re:Surviving 75 hours alone in the ocean by mehrdadn on Thursday January 25, 2018 @04:53AM (#16229848)
> You can also float in seawater in the fetal position. Your head will be below water but it is easy to come up for air periodically.

Easy to periodically come up, like, every 30 seconds? 3240 times in a row?

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Re:Surviving 75 hours alone in the ocean by tomc1985 on Thursday January 25, 2018 @12:56PM (#16232892)
Well if you stay calm its more like once a minute or two. When I learned the technique they forced us to stay in the water like this for half an hour, it does kind of suck after a while.
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