For a long time, the liquid state of pure substances was believed to be a continuous state in which the component atoms or molecules are all equivalent. However, it has now been widely shown that there can be multiple phases within liquids, even those containing only one component. Understanding what causes the components of liquids to switch from one state to another is currently a subject of particular interest. Researchers from the University of Tokyo Institute of Industrial Science have expanded the understanding of liquid behavior by describing the role of hydrodynamics in these transitions. Their findings are published in the Proceedings of the National Academy of Sciences (PNAS).
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Source: Phys.org