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Could this simple design save the planet?

by Kurt
2 replies
  • OFF TOPIC
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Here's an interesting, low tech way to "irrigate" using the water in the air. It was inspired by a desert beatle that uses condensation to create the water it needs to stay alive.

Innovative irrigation system conjures water out of thin air | Technology News Blog - Yahoo! News

AirDrop uses a turbine to push air into its network of pipes underground, which is quickly cooled to soil temperature, thereby creating an environment with 100% humidity. Condensation then takes place naturally, and water produced from the air is collected in a tank that's kept underground to prevent evaporation in hot areas. Crops are watered by pumping water directly from the tank. AirDrop is completely self-sufficient, and needs no external source of energy to work. During especially breezy times, the winds propel the turbine that drives the air into the tubes. But during calm days without winds, a solar panel collects the energy needed to move the turbine.

Dyson Awards: Edward Linnacre's AirDrop Irrigation - YouTube
  • Profile picture of the author Lloyd Buchinski
    What a neat, simple idea. It has only produced a liter a day so far, but hope it can be scaled up.

    One of the problems with irrigating is that water from the land has more salts in it than water from the air. One documentary I saw said that most irrigated land doesn't last many decades before it can't be used for farming any more. This system might get around that.

    It belongs on the 'there's hope' side of the news.
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  • Profile picture of the author kiddoman
    I do hope so, if it could be so simple to save our planet.
    That is my dream when I am still a little kid. But I just find out that I need to be saved at present. Trouble then!
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