New technology purifies water using sunlight

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By draping black, carbon-dipped paper in a triangular shape and using it to both absorb and vaporise water, researchers have developed a method for using sunlight to generate clean water with near-perfect efficiency. The low-cost technology could provide drinking water in regions where resources are scarce, or where natural disasters have struck..

http://www.thehindu.com/sci-tech/energy-and-environment/ new-technology-purifi es-water-using-sunlight/article23791632. ece?homepage=true

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