Creating Neutral Buoyancy
Creating neutral buoyancy is simple. Find an object, and two fluids, one that is more dense and one that is less dense. In the first fluid, the object will float. In the second, it will sink. However, when you mix the two liquids, it will be somewhere in between, because the force of gravity pushing down on the object equals the force of buoyancy on the relative density of the object, causing it to land in the middle of the fluid. There are exceptions to this rule however, as is the case with insoluble liquids. Because they do not mix well, one stays suspended on top of the other, and any object dropped onto the liquid will land according to its density.
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