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Physicists are one step closer to nutting out a complete mathematical theory for predicting how blood and other peculiar fluids flow. These bizarre behaviors have puzzled researchers for decades.
Another example of this is the classic trick you might remember from school science demonstrations: cornstarch mixed with water. If you stir it slowly, nothing appears untoward, but squeeze a handful of the mixture, and it solidifies into a rubbery ball. Open your hand, and it'll drip like liquid again.
It usually happens at high flow speeds, and although it may be a familiar phenomenon, describing turbulence in its various forms"remains one of the last unsolved problems in classical physics,"that in watery solutions containing polymers – which are long, repeating chains of molecules – the elasticity of the polymers stretching and contracting caused laminar flows to become unstable.
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