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ODD NEWS: Solar streetlamps from old soda bottles

In Bogota a hundred university students are manufacturing street lights, using soda bottles: "A 3-watt LED lamp is connected to a controller and a battery pack, which is powered by a small solar panel. The light fixture’s protective casing is an old plastic soda bottle. Each lamp costs around 176,000 Colombian pesos ($70) to build, and nothing to run. Parts are sourced locally and the battery can power the lamp for three consecutive nights without charging. Once completed, the students install the lights throughout the neighborhood, brightening dimly lit alleyways and dark clearings." (Jack Aldwinckle at www.qz.com).

The street lights are the latest development of the NGO "Liter of Light", founded by the Filipino Illac Diaz. More: http://qz.com/382486/open-source-streetlamps-from-old-soda-bottles-are-making-streets-safer-for-women/

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