With salt, a car battery and some solar panels you could be making clean water

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For a whole year, Froelicher, his colleague Sam DuPlessis, and two GE retirees had volunteered every Wednesday night inside Froelicher’s Louisville garage, building a low cost water purification device for WaterStep, a local charity. The device uses a car battery, a couple of electrodes, table salt, and some basic chemistry to make chlorine from brine and kill pathogens in polluted water. “In Uganda, they can get their hands on salt, but they can’t get their hands on much more. Read more… http://www.rdmag.com/News/Feeds/2012/09/manufacturing-smart-water-from-uganda-to-pakistan-two-ge-volun/