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Metropolitan DC Local Politics
Reply to "Montgomery- 5 more days and masks off."
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[quote=Anonymous][quote=Anonymous][quote=Anonymous] NP. Here is one that discusses the pointlessness of cloth or surgical masks. While N95 masks may be effective, most are not wearing N95s. https://aip.scitation.org/doi/10.1063/5.0057100 Note that the article suggests improve air exchange inside buildings to be more effective.[/quote] "The present study experimentally investigates the dispersion and build-up of an exhaled aerosol modeled with polydisperse microscopic particles (approximately 1 μm mean diameter) by a seated manikin in a relatively large indoor environment...Measurements demonstrate that all tested masks provide protection in the immediate vicinity of the host primarily through the redirection and reduction of expiratory momentum."[/quote] Have you heard of this thing called social distancing? Why are you in the immediate vicinity of someone?[/quote]
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