I've studied over a hundred research and policy papers regarding masks, and used them to answer the most common 17 questions I've seen asked by curious skeptics. Here's the result!
See below for a quick skim of a few to whet your appetite.
1/ https://www.fast.ai/2020/04/20/skeptics-masks/
See below for a quick skim of a few to whet your appetite.
1/ https://www.fast.ai/2020/04/20/skeptics-masks/
If you see someone asking about, or getting confused by, one of these issues, feel free to just provide them a link to one of the tweets above to answer their question, and be sure to also provide them with a link to the FAQ so they can see the references: https://www.fast.ai/2020/04/20/skeptics-masks/