News FocusCondensed-Matter Physics

Flowing Crystals Flummox Physicists

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Science  01 Jul 2005:
Vol. 309, Issue 5731, pp. 38-40
DOI: 10.1126/science.309.5731.38

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Summary

UNIVERSITY PARK, PENNSYLVANIA-- Solidified helium appears to flow without any resistance. How that happens is anything but crystal clear.