When you increase the pressure on the outside of the bottle, the diver should move downward. The release of pressure should cause it to float back up again. What’s happening here? Scientists have ...

A Cartesian diver is an object with a compressible air bladder to change its density. When the diver is placed in a sealed water bottle and the bottle is squeezed, the diver sinks. When the bottle is ...

BAKERSFIELD, Calif. (KGET) — On this segment of Elaina’s Experiments learn how to make a cartesian diver with a few household ...