Does Your Home or Classroom Need an Air Purifier? Make a Corsi-Rosenthal Box
ck2
19 points
3 comments
July 29, 2026
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Discussion Highlights (3 comments)
ck2
* https://media.npr.org/assets/img/2021/08/25/corsi_box-design... * https://media.npr.org/assets/img/2021/08/25/corsi_instructio... * https://EdgeCollective.io/airbox * https://reddit.com/r/crboxes
AnthonBerg
Cleaning the air is good. PC fan boxes are a quieter option too: https://itsairborne.com/pc-fan-corsi-rosenthal-guide-a611dab... (Incidentally, PC fans can also be used to pull/push air through N95/FFP2 masks.)
gabrielsroka
2021 Related https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...