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States of matter

States of matter

The return of supersolids

14 Feb 2017
Taken from the February 2017 issue of Physics World

Following a false alarm in 2004, two groups report what could be the first observation of supersolids, a theoretically predicted state of matter that is both a superfluid and a solid at the same time. Stephen Ornes reports

Chilly chamber. (Courtesy: MIT) We learn it from a young age: solids hold their shapes; liquids flow

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Stephen Ornes is a science writer in Nashville, Tennessee, US, e-mail stephen@stephenornes.com
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