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Urine to power lights in refugee camps
We've heard of a urinal being used in art, but as a source of power, that's a new one. In fact, researchers at the University of the West of England ( UWE Bristol) are using the urine collected in the urinal as the source of electricity.
http://trends.directindustry.com/news-trends/urine-to-power-lights-in-refugee-camps/