It's Okay to Be Smart

How Well Do Masks Work?

Season 8 Episode 16 | 7m 25s Video has closed captioning.

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: 07/08/20

Rating: NR

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Problems Playing Video? | Closed Captioning