Shaking down frozen helium: In a ‘supersolid’ state, it has liquid-like characteristics

In a four-decade, Holy Grail-like quest to fully understand what it means to be in a “supersolid” state, physicists have found that supersolid isn’t always super solid. In other words, this exotic state of frozen helium appears to have liquid-like properties, says a new paper published in the journal Science on May 13, 2011.

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Shaking down frozen helium: In a ‘supersolid’ state, it has liquid-like characteristics