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How do solids melt? Physicists in the US have gained new insights into one most of the basic phenomena in physics -- the melting of a solid. Arjun Yodh and colleagues at the University of Pennsylvania and Swarthmore College have shown that melting begins at defects before spreading to the entire crystal (Sciencexpress 11123991). The work will help fill in the gaps in our knowledge of the melting process.
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