This paper, which uses *waves on the surface of water* as a computational medium to create a “liquid state machine”, is crazy:
https://pdfs.semanticscholar.org/af34/2af4d0e674aef3bced5fd90875c6f2e04abc.pdf …
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Nice! Terry Tao described a (theoretical) variant of this a few years ago: https://terrytao.wordpress.com/2014/02/04/finite-time-blowup-for-an-averaged-three-dimensional-navier-stokes-equation/ … Presumably this means that there are interesting undecidable questions about water.
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Huh! I was not aware - will definitely need to give this a read. Thanks!
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Hmmmm. Interesting. Is the water axiomatic? I think not. e.g. surface tension (and therefore the result) depends on the (external?) environment. Is there such a thing a formal water? <wanders off to get coffee....>
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