Glow-in-the-dark coughs and sneezes? In the coronavirus era, this is what it takes for scientists to figure out which masks work best at stopping aerosol droplets from spreading after a cough or a sneeze. Researchers from Florida Atlantic University turned to laser light and glycerine to demonstrate the best type of homemade cloth masks people can use to prevent the spread…
Which masks work best at stopping aerosol droplets from spreading?
