Air well

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

An air well or aerial well is a structure or device that collects water by promoting the condensation of moisture from air. Designs for air wells are many and varied, but the simplest designs are completely passive, require no external energy source and have few, if any, moving parts.

Excerpt from the Wikipedia article “Air well (condenser)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Beysens, Public domain, via Wikimedia Commons.