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The Billboard That Makes Water
- Popular Mechanics, Thursday, April 25, 2013 4:31 PM
To increase enrollment, Peru’s University of Engineering and Technology in Lima teamed up with the Mayo Publicidad ad agency to erect a billboard that not only solicits more students – but uses the school’s know-how to produce potable water out of humid air for the arid area. The billboard went up last December at a cost of $1,200. Since then, the school has since seen a 28% increase in enrollment – while the ad had produced 2,500 gallons of water by March. Other efforts to create water out of the air’s humidity have proven costly, said this article, so ad-funded efforts like this may be the answer.
