Why we wear masks—and the N95 is a good one, Part 2
One might imagine that face masks work because the multiple layers will stop a virus getting through. But no, that's not it—they use a high-tech 'melt-blown' material, developed from a technique first noticed in volcano eruptions. Host: Dr Karl Kruszelnicki Producer: Diane Dean
Great Moments In Science · Australian Broadcasting Corporation
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Show Notes
One might imagine that face masks work because the multiple layers will stop a virus getting through. But no, that's not it—they use a high-tech 'melt-blown' material, developed from a technique first noticed in volcano eruptions.
Host: Dr Karl Kruszelnicki
Producer: Diane Dean