"A high-speed camera captures how different types of face masks work." Which mask works best? To visualize droplets and aerosols, the University of New South Wales researchers used an LED lighting system & a high-speed camera, filming people coughing and sneezing in different scenarios — using no mask, 2 different types of cloth masks, and … Continue reading Which Mask Works Best? We Filmed People Coughing And Sneezing To Find Out #FaceMasks #COVID19 #FaceMaskEffectiveness #UNSW