An Injection of Chaos Solves Decades-Old Fluid Mystery

Fluids can be roughly divided into two categories: regular ones and weird ones. Regular ones, like water and alcohol, act more or less as expected when pumped through pipes or stirred with a spoon. Lurking among the weird ones — which include substances such as paint, honey, mucus, blood, ketchup and oobleck — are a vast variety of behavioral enigmas that have stumped researchers over the…

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