NASA had, long ago, proposed the idea of an artificial hydroponic garden that survives on artificial source of light. The idea was rejected due to the presence of flaws in it. But, now the recently invented Green wheel rotatory hydroponic garden revives NASA's rejected concept to help stable a garden in completely artificial environment. The idea has been revived by DesignLibero.
The Green wheel has a circular design that is able to support upto 8 feet tall trees. The trees are held up from the roots by a wheel that rotates around a single LED that acts a source of light for the whole garden. Thus, it helps conserve the energy. The trees pass through the nutrient laden reservoir at the base of the wheel once in an hour. The whole garden is stabilized nicely and the scientists are able to grow a number of useful trees and plants by this technique. The technique is not only suitable for space ships but can also be applied to achieve specific goals during laboratory experiments.
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