Friday, August 4, 2006

Physicists See Solid Helium Flow, But Not in the Most Exciting Way

... Sébastien Balibar of the École Normale Supérieure in Paris and colleagues have seen the flow ofsolid helium--but only in imperfect crystals consisting of several distinct "grains." That suggests a less exotic explanation for the flow: On the boundaries between grains, the helium remains inherently liquid, and superfluid liquid helium, which also flows without resistance, seeps along the interfaces...;313/5787/603a?maxtoshow=&hits=10&RESULTFORMAT=&fulltext=solid+helium+flow&searchid=1&FIRSTINDEX=0&resourcetype=HWCIT

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