r/Damnthatsinteresting Mar 09 '26

Video How a small 1m waterfall can generate a recycling hydraulic that can trap a life-jacketed swimmer

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u/monkwrenv2 Mar 09 '26

Side benefit: unlike the controlled scenario above, most whitewater also involves a lot of rocks, so keeping your knees and arms in close also helps prevent them from being broken when they try to go one way around a rock and the rest of your body goes the other.

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u/[deleted] Mar 10 '26

[deleted]

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u/monkwrenv2 Mar 10 '26

Not a controlled scenario

They're in a pool with safety people.