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Researchers at the University of Pennsylvania have developed a porous cement-like material inspired by elephant skin. This material can absorb water in less than 50 milliseconds and distribute it through a network of tiny cracks, prolonging the evaporation process and helping to cool buildings passively without the need for traditional air conditioning technology. The idea is based on the cracks in elephant skin that help retain water and draw heat away as it evaporates. The study demonstrated that this material can hold nearly ten times more water than a comparable smooth surface, providing an environmentally friendly and effective natural cooling solution for buildings.
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