How Well Do Masks Work? (Schlieren Imaging In Slow Motion!)
PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ We re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmart SUBSCRIBE so you don t miss a video! ►► http://bit.ly/iotbs_sub 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-references/home Special thanks: Matthew Staymates - National Institute of Standards and Technology Dr. Richard Davis - Providence Sacred Heart Medical Center (https://twitter.com/richdavisphd/status/1276629360212979712) Derek Muller - @Veritasium (https://www.youtube.com/watch?v=4tgOyU34D44) David McRaney - You Are Not So Smart https://youarenotsosmart.com/ Special thanks to our Brain Trust Patrons: AlecZero Diego Lombeida Dustin Ernesto Silva George Gladding Jay Stephens Marcus Tuepker Megan K Bradshaw Peter Ehrnstrom Ron Kakar vincbis Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/
