“Unpacking the multiple layers of wrong assumptions: Layer 1: An implicit misunderstanding of how electret filters work - thinking that they’re like sieves rather than the overlapped sticky spider webs that they are.” a great explainer thread
The Multiplicative Power of Masks An Explorable Essay on How Masks Can End COVID-19
"By doing the math on masks, we'll see how when 60% of people wear 60% effective masks, disease transmission drops by as much as 60% — roughly what's needed to stop the spread of COVID-19."
Masks Work. Distorting Science to Dispute the Evidence Doesn’t
New mask studies relying on a medical paradigm do not erase decades of engineering and occupational science that show they work
Excellent related thread on how filters work: Quote
