This video, created using a schlieren imaging system, shows air flow when breathing and coughing, with and without a face mask. It does not show the movement of virus particles. This video was created ...
SAN JOSE, Calif. (KGO) -- Motivated by his children, Silicon Valley dad and tech worker Kevin Ngo is using his background to help build a better Bay Area by reimagining face masks. "This is what our ...
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