Now that is cool. A great way to purify water. Something like this could be scaled up in order to heat a large amount of water to supply outposts. Quote: That could change through the work of Deshawn Henry, a University at Buffalo sophomore civil engineering major, who researched how to improve a 6-foot-tall, self-sustaining magnifying glass. Properly termed a water lens, the device uses another abundant resource — sunlight — to heat and disinfect polluted water. Since the frame for the lens can be constructed from commonly found materials — wood, plastic sheeting and water — the lens can be built for almost no cost, offering an inexpensive method to treat water. The device may not look like much, but it can heat a liter of water to between 130 and 150 degrees Fahrenheit in a little more than an hour, destroying 99.9 percent of bacteria and pathogens.
Posted on: Sun, 17 Aug 2014 19:35:07 +0000
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