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Using a mask is an inexpensive and easy method to help stop the spread of airborne infections like COVID-19 It’s also an indication that you wish to help protect other individuals and have them secure you … that we’re all in this together. Here’s some amazing slow-motion schlieren imaging experiments to demonstrate why masks work! Share with someone who requires to see this.
Referrals: https://sites.google.com/view/why-masks-work-references/home
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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 (
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