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Researchers create ‘supersolid’
Pennsylvania - RESEARCHERS in the United States believe they have created a new phase of matter - a "supersolid" that flows like a liquid.
Reporting their work in today's issue of Nature, Pennsylvania State University physicists Eun-Seong Kim and Moses Chan say they compressed liquid helium-4 into a sponge-like glass disc riddled with atom-sized pores, while chilling it to a fraction of a degree above almost absolute zero (-273 Celsius).