Dan Neuman on Nostr: How do N95 masks catch particles that are smaller than the holes? 1. Particles are ...
How do N95 masks catch particles that are smaller than the holes?
1. Particles are sticky because of static forces
2. Large particle go straight until they hit a mask layer
Tiny particles get knocked around by molecules until they hit a fibre
3. Fibres are given an electric charge so that they attract all particles
#MaskUp
http://youtu.be/eAdanPfQdCA 
Published at
2024-02-16 00:12:03Event JSON
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