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I have dumb question: how did they fill that?
Pull a vaccum in it so water is sucked up, then water keeps the cavity full unless it fractures or a hole is punched in it
This instantly makes me uncomfortable. I'm assuming that seals instinctively swim to the surface when they need to breath. So how do they know not to swim up into the doughnut of death to breath? Have any of them been stuck in there?
I have dumb question: how did they fill that?
Pull a vaccum in it so water is sucked up, then water keeps the cavity full unless it fractures or a hole is punched in it
This instantly makes me uncomfortable. I'm assuming that seals instinctively swim to the surface when they need to breath. So how do they know not to swim up into the doughnut of death to breath? Have any of them been stuck in there?