Liquid cats

This years Ig Nobel [1] reminds me of an incident, when I was visiting my friend and went to the toilet. When trying to wash my hands, I found out that the sink was already filled and I was unable to drain the content.

file-20171109-13296-mmbjtn

Cat, behaving like a liquid/ William McCammentCC BY-SA

Even as a pathological skeptic, I must admit that cats certainly seem to be responsible of this universes most inexplicably unexpected and therefore unexplainable phenomena, all the way from quantum mechanics to chaotic behavior of fluids.

Anyone knows how to write a viscous stress tensor for a cat?


[1] The Question That Won Me the Ig Nobel Prize: Are Cats Liquid?