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 a lot and have had the self waterboarding experience that I have in summer, valve respirators are not just a Goth fashion statement. Just make sure you’re using a quality product and your filters have full coverage and you change them often enough.

Source: Visualizing droplet dispersal for face shields and masks with exhalation valves


My pronouns are whatever you're comfortable with as long as you speak to me with respect. I'm an Afruikan and Iswa refugee living in Canaan. That's African American expat in Israel in Normalian. I build websites, make art, and assist people in exercising their spirituality. I'm also the king of an ile, Baalat Teva, a group of African spirituality adherents here. Feel free to contact me if you are in need of my services or just want to chat.

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  • You’ve read the article, now get the t-shirt! :-D