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How not to make a splash

点击量:   时间:2019-03-06 12:10:05

JACKSON POLLOCK will be turning in his grave: researchers in France have found a way to stop liquids from splashing. Vance Bergeron of Rhodia Recherches of Lyon and his colleagues have shown that adding small amounts of a flexible polymer such as polyethylene glycol to water helps ensure that droplets stay in one piece when they hit a surface, as the long polymer chains resist stretching on impact (Nature, vol 406,