How well do masks work?
2,150,551 Views
11,143 Questions Answered
Best of Web
Let’s Begin…
Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It’s also a sign that you want to help protect other people and have them protect you… that we’re all in this together. It’s Okay To Be Smart shares a slow-motion imaging experiment to demonstrate why masks work.
How does Schlieren imaging work?
Sign in to answer questionAbout TED-Ed Best of Web
TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
Meet The Creators
- Video created by Be Smart
- Lesson Plan created by Lauren McAlpine
