Weekend open thread: The physics of N95 masks

Brent White

from Seattle Transit Blog on 2022-03-26 16:36 (#5XHKQ)

Note that the video is from 2020, when there was a shortage of N95s and other masks. There are several producers of everyday-use NIOSH-approved N95s in the US that sell directly online and can deliver within days, such as Aidway, which I use, and have found reasonably comfortable. The CDC has a long list of distributors.

This is an open thread.

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