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Flowers can also be grown.
British boffins think the have cracked the problem of feeding the world with the cunning invention of sunlightless greenhouses that could even be set up in urban centres and utilise certain wavelengths of light to improve the growing speed, taste and even the shelf life of fruits and vegatables.
They have discovered that plants dont require the rainbow of colours contained in ordinary daylight to grow, and have cracked the colour palette required to enhance the whole process of food production.
Using tiny LED's they feed the plants with carefully calculated cocktails of red and blue that are all the herbs and vegatables actually need to grow. LED's also have the added advantage of giving off little heat enabling the plants to be stacked in racks for added production.
Project leader Dr Martin McPherson said "With this technology we can grow fruit and vegetables year round in a climate-controlled urban environment without the need for natural sunlight.
"There are a lot of empty warehouses sitting idle so why not use them for growing in?'