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    How Swarming Insects Act Like Fluids

    Reprinted with permission from Quanta Magazine’s Abstractions blog. Starlings take to the sky in swirling vortices; ants teem like rivers. “They stretch, they move around, but they retain cohesion in a way you’d expect from a fluid moving,” said Nicholas Ouellette, a physicist at Stanford University. That’s why to him, it isn’t far-fetched to think about collective animal behavior in […]

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    The Exotic Matter States Behind PCs, Visual Displays, and the Future of Water

    You might have learned in school that there are three phases of matter: solid, liquid, and gas. That is a useful simplification for young students, but there are in fact many, many more. In the past century or so, we’ve discovered that there are hundreds of distinct solid phases—some of which are used to build […]