Better than clipping them to a non-buoyant device. Or worse, the classic cement ... | Hacker News

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xhkkffbf on May 8, 2024 | parent | context | favorite | on: 'Underwater bicycle' propels swimmers forward at s...

Better than clipping them to a non-buoyant device. Or worse, the classic cement overshoes.

cassianoleal on May 8, 2024 [–]

If it's non-buoyant and not very heavy, it's easier to control and stay afloat than if it pushes your feet upwards to the surface.

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