You can run across a swimming pool filled with a mixture of cornflour and water, but you sink if you stand still. Conventional understanding of this phenomenon is now being turned on its head. See Letter p.205
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van Hecke, M. Running on cornflour. Nature 487, 174–175 (2012). https://doi.org/10.1038/487174a
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DOI: https://doi.org/10.1038/487174a
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