Oobleck is a non-Newtonian fluid, which is a fancy term for a liquid whose viscosity varies with pressure. Is it a rock? Is it a liquid or solid? It’s both! Making your own oobleck is a simple, ...

Oobleck has long been my favorite example of a non-Newtonian fluid, and I’m not alone. It’s a hugely popular “kitchen science” experiment because it’s simple and easy to make. Mix one part water to ...

It's a phenomenon many preschoolers know well: When you mix cornstarch and water, weird things happen. Swish it gently in a bowl, and the mixture sloshes around like a liquid. Squeeze it, and it ...

Lots of people have demonstrated that, surprisingly, if you fill a pool with water and cornstarch you can run across it. Stop, and you sink. How that happens, though, has been something of a mystery ...

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