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I want to make a device that can suspend in water via manipulating its density to as close to 1 as possible. I just thought that it will be cool to have a device that can stay in whatever position that I place it in the water.
Any idea of how this could actually be done? I was thinking about an airbag that can be squeezed or released precisely( just like airships), but how can that be done? Or are there other approaches?
Any idea of how this could actually be done? I was thinking about an airbag that can be squeezed or released precisely( just like airships), but how can that be done? Or are there other approaches?
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