Columbia University Physics Lecture Demonstrations


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2B40.3 Alternate Cartesian Diver

[Setup Time: 5 Min.] [Current Condition: Good]

Info

A diver floats in a soda bottle completely filled with water. Since the water is incompressible, squeezing on the bottle causes very little volume change but drives the diver straight to the bottom.

Parts List

Eye Dropper in 2L Soda Bottle in B. Fluids & Mech, 1B

Note: If the diver (eye dropper) has sunk it must be removed and refilled with the appropriate amount of air.

Relevant Simulation

Demo Example:

Other Information

Cartesian Diver

Real-Life Examples

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More Advanced Reading

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