I had a hair on my phone, and I tried to blow it off while wearing an N95. Nothing. Even air itself is substantially slowed through an N95. It's the difference

I had a hair on my phone, and I tried to blow it off while wearing an N95. Nothing. Even air itself is substantially slowed through an N95. It's the difference between sucking a viral load at full speed into your lungs, and having it crawl through a barrier at extremely low speed.