Energy to go: the world’s smallest hydropower plant | Eco-at-Africa
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7 سال پیش
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Sick of your phone running
Sick of your phone running out of battery? Now you can use a mini water turbine to charge it up. With the invention already a success in India, the German engineer behind it now has his sights set on the African market.
More Africa-related news: http://www.dw.com/en/top-stories/afri...
More Africa-related news: http://www.dw.com/en/top-stories/afri...
7 سال پیش
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