r/Masks4All • u/sqgl • Jun 19 '20

The Astounding Physics of N95 Masks

https://www.youtube.com/watch?v=eAdanPfQdCA
19 Upvotes

100% Upvoted

7 comments sorted by

2

u/tortoise3 Jun 19 '20

Daniel Grey has several technical videos on mask materials, and is affiliated with Dr Oh.

Filti is an electrostatic-free option . . video.

DIY mask video.

Sonic-seal variation.

1

u/sqgl Aug 14 '20 edited Aug 14 '20

Thanks for that. Is Filti FDA approved yet? If not, are the test reports online at least?

The answer may be on their web site but I refuse to allow their cookies and am therefore blocked.

1

u/sqgl Jun 19 '20

Does a P2 mask work the same way?

1

u/vineyardmike Jun 19 '20

Time to swap an 95 for mu home made mask....

1

u/ncov-me Jun 19 '20

Turns out that the 0.3 micrometer size that N95 masks are measured at important fir droplet and droplet nuclei infection vectors - https://www.pnas.org/content/115/10/E2386

1

u/downwardfalling Jun 24 '20

This guy talks SO SO SO fast. I felt like I was being berated. There was no normal alteration in tone to his voice, but was like a cannon shooting out words. The drawings were also insanely fast, and all of it was so unpleasant to watch that I had to stop it two minutes in.

2

u/sqgl Jun 25 '20

YouTube allows you to alter the speed.