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Fran Scott from the Â鶹¹ÙÍøÊ×Ò³Èë¿Ú series ‘The Imagineers’ describes how PhD student Jon Sumanik-Leary from the University of Sheffield is developing a DIY wind turbine for isolated Third World communities. Conventional wind turbines (and other forms of renewable energy including solar panels) are difficult to repair when broken. Jon’s design is simple. It allows people with little background in engineering to build and repair the turbine with relative ease. Fran Scott builds a turbine and tests it in a wind tunnel.