Gizmodo: Researchers Put Cloth Face Masks Under a Microscope. The Images Are Out of This World

Gizmodo: Researchers Put Cloth Face Masks Under a Microscope. The Images Are Out of This World. “After seeing the destruction covid-19 has wreaked around the world, it can seem incredible that something as simple as a cloth face mask could slow the spread of the virus. (PSA: They do. Please wear a mask). However, you probably won’t feel the same way once you see the spectacular images of cloth face masks under a scanning electron microscope captured by researchers at the National Institute of Standards and Technology.”

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