What matters to you.
0:00
0:00
NEXT UP:

How Well Do Masks Work?

Season 8 Episode 16

About the Episode

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. Here’s some awesome slow-motion schlieren imaging experiments to demonstrate why masks work! Share with someone who needs to see this.

Aired: 07/03/20 | Expires: | Runtime: 7m 25s
Support for GBH is provided by: