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  • Bathrooms can be equipped with ultraviolet [[LEDs]] that are programmed to switch on when the room is empty, sterilizing the
    23 KB (3,596 words) - 03:24, 4 November 2013
  • ...arm.com/ The Vertical Farm Project] is the cost of energy for lighting. As LEDs become cheaper and more energy-efficient (as with recent developments in OL ...carbon.org/senegal/india1.doc&cd=4&hl=en]</sup>. An aeroponic garden using LEDs, CO<sub>2</sub>, plant hormones and fulvic acid could grow the same amount
    7 KB (1,049 words) - 15:20, 21 August 2011
  • ...As [[LEDs]] get cheaper and more energy-efficient, the use of UV-emitting LEDs to sterilize water becomes more and more attractive.]]
    16 KB (2,634 words) - 20:42, 7 June 2021