furnace filters

Environmental engineers study fabrics, materials for face covers

Posted by on April 7, 2020

The day before the federal government issued new recommendations that Americans wear cloth face coverings to help slow the spread of the coronavirus, a researcher at Missouri S&T decided to test a few common household materials – pillowcases, scarves, furnace filters – “out of curiosity.” His early results, which he shared on Twitter on April […]

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