High-tech Dutch trend of 'city farming' grows food faster without sunlight

In their beds, the salad greens enveloped by magenta hues from the lights above hardly seem appetizing. Surprisingly, the unblemished leaves taste pretty good when they come out from under the lamps. Those who visit Brightbox, a high-tech horticulture lab in the Netherlands' agricultural hub of Venlo are invited to taste what is grown under light-emitting diodes, or LED lights. The salad greens are raised in such immaculate conditions, there is no need to wash the leaves before sampling...

http://www.mlive.com