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Winged machines are “flying“ - or at least swimming - beneath the waters of the Faroe Islands in the North Atlantic. Known as “sea dragons“ or “tidal kites“, they look like aircraft, but are in fact high-tech tidal turbines, generating electricity from the power of the ocean. So, how does the technology work? This video is from BBC Click, the BBC’s flagship technology programme. Subscribe here: For more news, analysis and features visit: #BBCNews
