(Nanowerk Spotlight) The increased focus on face masks over the past 2 years due to the COVID-19 pandemic has led to a flurry of research not only on how to make these masks more effective and ...

Breathing through effective masks is difficult. There's a pressure drop associated with the filtration (which is what forces the air around the seams which is why proper use of an N95 mask should ...

Is it just me or is it sad we have to show graphics of people actually not wearing a mask, and say "this is the wrong way to wear a mask"? We are so screwed . . . Click to expand... I'm pretty sure ...