
Video • COVID-19 video
Coughing visualization shows benefits of wearing a good mask
Coupling function with fashion, cloth and home-sewn face masks are available in a variety of forms and fabrics. While experts underscore that wearing a mask is effective in helping to prevent the spread of COVID-19, not all masks — or the materials with which they’re made — contain virus particles equally. In a new video, University of Wisconsin–Madison engineer Scott Sanders demonstrates…