UNSW Student concept: Solaqua

http://www.fastcompany.com/1282142/solaqua-solar-powered-water-purification-masses http://www.treehugger.com/clean-technology/solaqua-uses-solar-power-to-purify-water.html http://rouse-hill-times.whereilive.com.au/news/story/solaqua-could-put-an-end-to-dirty-water-woes/