Picking out your New Year’s Eve outfit? Consider upgrading your face mask while you’re at it. Public health experts are warning that the single-layer cloth masks that have become popular during the ...

Research shows that high-momentum, large-sized surrogate cough droplets can penetrate single- or double-layer surgical masks to a significant extent 1. The penetrated droplets can then break into ...

The droplet impacting on the mask surface is recorded at 20,000 frames per second. These time sequence images of droplet impingement on a single-, double-, and triple-layer masks show the total number ...