Cloth Masks Work Better Than Valves in Scientific Visualizations/Simulations

Siddhartha Vermaa), Manhar Dhanakb), and John Frankenfieldc) have published simulations that suggest that cloth masks work a lot better than masks with valves at preventing the spread of Covid-19 and other viruses. Whether or not this works the same in real life, it is something to consider when choosing what to use. It is likely that practical concerns are key in this. If you are a frequent face toucher, or someone who sweats aContinue…