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YouTubeUNSW
High speed camera captures how different types of face masks work
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 ...
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