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by the__alchemist 1 hour ago
Nearly all passive water-from-air devices described in articles are based on false claims. Peltier-based, desiccant/absorption/adsorption based, etc. All end up not working, or not existing. This has been common for ~10 years.

Which category does this fall into?:

  - Fraud
  - Incompetence / misunderstanding that wasn't cleared up prior to publishing an article
  - Neither; this works as expected
1 comments

The design seems reasonable. It seems like a scaled down version of this MIT one that uses similar principles:

https://news.mit.edu/2025/window-sized-device-taps-air-safe-...

So my vote is for working as expected.

Many thanks for your link to the article, it was a very interesting read; fascinating to learn how glycerol interacts with lithium salts...