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The most useful invention I've ever run across... Corsi-Rosenthal box.
I have used this so far for:
1. Wildfire smoke
2. COVID-19
3. Bacon smoke (on Saturdays, LOL)
4. General improvement of AQI
5. Pet related allergies (hay and dander)
6. Ragweed/pollen heavy days
7. Dust from Santa Ana winds
8. Dust from construction/remodeling
9. Paint fumes (only partially useful, doesn't absorb gases, but helps somewhat) -- plus it sucks all the dust from the air, so it doesn't stick to your paint
(probably other uses, too...)
How to build one:
https://engineering.ucdavis.edu/news/science-action-how-build-corsi-rosenthal-box
Science in Action: How to Build a Corsi-Rosenthal Box
Learn how to build a Corsi-Rosenthal box. The device was created to provide significant reduction in the amount of virus-laden, aerosol particles that are in the air. Follow along as Dean Richard L.College of Engineering
