Weltkaiser

Weltkaiser t1_j8hb43b wrote

As you refuse to use your own brain:

The more arid a region is, the less available free water there is in the air. If you let a dehumidifier run in the desert it will harvest pretty much nothing. Which makes this concept even less viable for the scenarios you are suggesting. And yes, also DARPA has high numbers of morons that buy into every snake oil working for them.

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Weltkaiser t1_j8hal4s wrote

Creating such a vacuum is not the issue. But keeping it stable over a long period of time without using vast amounts of energy is impossible. At least as long as materials have certain properties, maintenance is a thing and you apply real world physics. Why do you have to focus on that one metric for you proof btw. there are hundreds of scenarios that make this unviable other than the type of joints you're using.

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