Image - XKCD: Masks
Here is the article on the untold story of N95 mask. Dr. Wu, from Penang, Malaysia has earned the Google Doodle to commemorate his contribution on the face mask.
Image - XKCD: Masks
Here is the article on the untold story of N95 mask. Dr. Wu, from Penang, Malaysia has earned the Google Doodle to commemorate his contribution on the face mask.
This article is quite long, but has important modern implications. Source: Michael Ramirez, The Gazette.
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