Chalk coating could help clothing cool the wearer

August 26th, 2024

A sample of chalk-treated synthetic fabric (right) alongside an untreated control sample. Photo: University of Massachusetts Amherst. Keeping cool on hot days requires wearing the right clothing, as much as wearing less clothing. A new fabric coating, essentially made of chalk, could help make clothing cooler.  In natural unfiltered sunlight, it's the near-infrared and ultraviolet wavelengths that deliver heat […]

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