|
|
|
|
|
|
by endisneigh
1778 days ago
|
|
|
Are [gaiter masks] effective? On the other hand some researchers think cloth masks, specifically gaiter types, are worse than nothing.
https://advances.sciencemag.org/content/6/36/eabd3083 > A bigger droplet scatters more light than a smaller droplet. This insight is important to interpret the result of the neck gaiter. The neck gaiter has a larger transmission (110%; see Fig. 3A) than the control trial. We attribute this increase to the neck gaiter dispersing larger droplets into several smaller droplets, therefore increasing the droplet count. The histogram of the binary diameter for the neck gaiter supports this theory (see fig. S5). --- disclosure: I think people should wear masks, even gaiter types. My point is that skepticism shouldn't necessarily be banned. Saying a mask works or doesn't is an incredibly complicated thing and more probabilistic than anything else. If the question is presented as whether or not a mask would guarantee you being protected from COVID-19 particles, then the answer is much closer for "no" than "yes" for non-KN95/N95 masks. If the question is whether they offer "some protection" then the answer is basically yes as long as you have anything in front of your face. |
|
|
The study was not about testing masks, it was about developing a new cheap method of testing masks. They only tested each mask once, because the question was whether they could get data from the technique, not to actually study each mask type.