How Well Do Masks Work? (Schlieren Imaging In Slow Motion!)

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

References: https://sites.google.com/view/....why-masks-work-refer

Special thanks:
Matthew Staymates - National Institute of Standards and Technology
Dr. Richard Davis - Providence Sacred Heart Medical Center (https://twitter.com/richdavisp....hd/status/1276629360
Derek Muller - @Veritasium (https://www.youtube.com/watch?v=4tgOyU34D44)
David McRaney - You Are Not So Smart https://youarenotsosmart.com/

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