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haxle

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Comment #22199038
I used to think commenters on this site were somewhat smart.

Fri, Jan 31, 2020, 4:25 AM UTC
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Comment #22177178
Good info, thanks.

Wed, Jan 29, 2020, 3:48 AM UTC
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Comment #22177138
Wed, Jan 29, 2020, 3:43 AM UTC
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Ask HN: How do surgical masks filter airborne viruses?
Just read 3M's n95 surgical mask data-sheet[1] and claims to contain an "advanced electrostatic media". However, there is no technical data on its working mechanism. My guess is th…

Wed, Jan 29, 2020, 2:08 AM UTC