How Well Do Masks Work to Stop COVID-19? (Schlieren Imaging in SLOW…

How Well Do Masks Work to Stop COVID-19? (Schlieren Imaging in SLOW MOTION)

Wearing a face mask is a cheap and easy way to slow the spread of airborne diseases like COVID-19 😷👍 This video uses an advanced imaging technique called schlieren visualization to show you why masks work. We're all in this together! (from It's Okay to be Smart • PBS)

Posted by PBS Digital Studios on Tuesday, July 7, 2020