3 ms·
The NIH did do some research along these lines. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4589201/#!po=1.13636 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4
by wilde 6y ago
The NIH did do some research along these lines. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4589201/#!po=1.13636 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4589201/#!po=1....
That said, most of the debate at this point is motivated reasoning by people who don't want to wear masks. :P
- deleted 6y ago[deleted]
- jameslk 6y agoThis is close and also interesting in it's own right, but I don't think it addresses outward leakage, only inward leakage. I'm not sure why you're being downvoted but I guess that's HN for you.