Cartesian diver – Sinking Ketchup Experiment – Fun experiment you can do at home

Cartesian diver is a simple experiment that you can do at home. You need something that contains air and prefereble liquid of some kind, it should nearly float and it should be squeezable. A ketchup from a resurant works fine, Eyedropper or pipett goes well also. Experiment with amount of water in the container and you can create your own cartesian diver.

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