Every elementary school student learns about condensation. Water from the air accumulates on a cold surface, much like a toilet tank sweats in the summer or dew forms on grass overnight. The technology to extract water from air has been around for years - Waterex and Aquamaker both harvest water out of air using dehumidifiers. Now, though a British Columbian company in Kelowna called Element Four has come up with its version: the WaterMill.
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