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

8 minutes

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Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. Here's some slow-motion Schlieren imaging experiments to demonstrate why masks work. Part of the "It's Okay to Be Smart" series. Please note this title contains mature themes and references.

Media Details

Runtime: 8 minutes

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Viewer Comments

  • Tiny default profile photo
    Lindsey S. (Bellevue, NE)
    December 2nd, 2020 at 02:47 PM

    Parts of this video are definitely geared towards older students, but I showed the beginning to a 4th grader and she was astounded by the Schlieren Imaging. It gave her a much better understanding of why masks are important (especially keeping it over your nose).

  • Tiny default profile photo
    Carrie W. (Algonquin, IL)
    October 7th, 2020 at 08:29 AM

    Extremely informative. Wonderful visualization!