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Nature 420, 749-751 (19 December 2002) | doi:10.1038/420749a
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Condensed-matter physics: Dense ice in detail
Dennis D. Klug
Abstract
A substance as simple as water is in fact a rich source of interesting physics. The solid phase contains several amorphous forms of ice, including one with a very dense structure, the details of which have now been revealed.
Ice is famously anomalous — unlike most solids, in its usual form it is less dense than liquid water. In fact, regular ice has so far been found to come in at least 13 different forms.
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