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by gonehome
1482 days ago
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Brownian motion affects how small particles move around at small scales [0]. This is why HEPA filters can be effective even against smaller particles (which bounce around and get caught). Specifically about the Molekule - their claims seemed to be empirically false and the device performed worse than a standard HEPA filter (and they were resistant to allowing independent tests at all). When the tests came out awful their responses were mostly bullshit. [1] [0]: https://en.m.wikipedia.org/wiki/Brownian_motion [1]: https://www.nytimes.com/wirecutter/reviews/best-air-purifier... |
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