Access to clean water is one of the world's most pressing problems, but a team of University at Buffalo researchers has come up with a new take on an old technology that uses sunlight to purify water. Led by associate professor of electrical engineering Qiaoqiang Gan, the team has created a device that uses black, carbon-dipped paper to produce fresh water with what is claimed to be near-perfect efficiency.
.. Continue Reading New solar still claims near-perfect efficiency in purifying waterCategory: Good Thinking
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