Lasers Reveal How Well Different Types of Facemasks Work

Lasers Reveal How Well Different Types of Facemasks Work
ФОТО: petapixel.com

With a supply crunch in medical-grade facemasks, the general public has been turning to homemade masks in order to slow the spread of COVID-19. Now researchers are using lasers to reveal how effective different kinds of DIY masks are at blocking tiny droplets from coughs and sneezes.

The 4-minute video above shows findings from research […].

lasers reveal how well different types facemasks work

2020-7-3 19:25