Here, a simple fluid of essentially soap and water was shown to behave like a fluid or to fracture in a way that is reminiscent of solids, showing a link between what are often viewed as two very distinct phenomena. “Surprisingly, the strength of the material when it acts like a solid is essentially the same as its surface tension as a liquid. This fact reconnects our understanding of these materials between the extremes of flow and fracture,” said the paper’s corresponding author, Professor Andrew Belmonte.
The image is credited to Penn State University
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