Which mask works best? To visualise droplets and aerosols, UNSW researchers used 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 a surgical mask. We confirmed that even speaking generates substantial droplets. Coughing and sneezing (in that order) […]
Read More… from High speed camera captures how face masks work