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- Scientists are developing technologies to farm drinking water out of the air. - Some involve old fridges, freezers, computer fans and mobile phone chargers. - This can help provide drinking water for the developing world. Amin Al-Habaibeh is Professor of Intelligent Engineering Systems at Nottingham Trent University. The views expressed in this commentary are solely his. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news analysis and commentary. The content is produced solely by The Conversation. (CNN) Luke Skywalker wasn't just a farmer. In the original 1977 Star Wars film, the lead character was desperate to leave his home pl... Full story

21 April