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MagicaItux t1_j4vnwx8 wrote

Maybe there's a reason it looks like only 2%. The heat from the solar rays for example could help it's capillary system to suck moisture out of the ground (an intensive process).

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danielravennest t1_j4vph7b wrote

The wikipedia article has a breakdown of the efficiency losses. Please go look at it.

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GioTekk t1_j4vtpda wrote

Capillary uses a law of physics, the water essentially sucks itself if I'm not mistaken

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