News From the Field
Penn physicists discover why drying liquid crystal drops leave unusual 'coffee rings'
May 26, 2017
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.In previous papers, University of Pennsylvania physicists investigated the "coffee ring effect," the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
University of Pennsylvania
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