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Penn physicists discover why drying liquid crystal drops leave unusual 'coffee rings'


May 26, 2017

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In previous papers, University of Pennsylvania physicists investigated the "coffee ring effect," the ring-shaped stain of particles left after drops of coffee evaporate. In a new paper published in Nature Communications, they have uncovered the complex and remarkably different behavior arising in a liquid crystal drop that is drying. The research reveals novel behavior characteristics of liquid crystals.Full Story

Source
University of Pennsylvania

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