Physical Review Letters
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Droplets Wicking in Thin Materials Exhibit Universal Drying Dynamics
Author(s): Garam Lee, Samira Shiri, and James C. Bird
When a drop contacts and absorbs in a thin porous surface, it can wick radially outward. This phenomenon is exploited in cooling textiles, but also complicates forensic stain analysis. The distance that the liquid spreads and the time it takes to evaporate are coupled, yet the consequence of this co… [Phys. Rev. Lett. 135, 154002] Published Wed Oct 08, 2025