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

Makes sense since we're speedrunning the other parts of the Butlerian jihad

depending on actual conditions you are in, it could potentially double (or more) the time before you die of thirst if it was your only source of water.

works in the rain

My first thought was “yay a stillsuit” - but this grabs moisture from the air, not the wearer’s body. So no. No stillsuit yet.

Vaporware has never tasted so good or been so refreshing.

This sort of thing can't work as it would break basic laws of thermodynamics. Best case it's a dehumidifier with extra steps.

I wonder if it has microplastics, but probably depends what kind of fabric was used