2022-02-18
At a distance, this mesh doesn’t look like much, and that’s kind of the point. Researchers in the labs of Xianfeng Wang and Bin Ding at Donghua University wanted to make a mask fabric that could filter out pollutants but still be transparent enough to see a mask-wearer’s face. They developed this fabric by depositing electrically charged nanosized fibers of polyacrylonitrile on a mesh made of o...