Physicists describe strange new fluid-like state of matter

University of Chicago physicists have created a novel state of matter using nothing more than a container of loosely packed sand and a falling marble. They have found that the impacting marble produces a jet of sand grains that briefly behaves like a special type of dense fluid.

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<p><a href="http://www.physorg.com/news8765.html">Physicists describe strange new fluid-like state of matter</a></p> <p>University of Chicago physicists have created a novel state of matter using nothing more than a container of loosely packed sand and a falling marble. They have found that the impacting marble produces a jet of sand grains that briefly behaves like a special type of dense fluid.</p>