The future of renewable energy might be in the sky. Researchers in China have reportedly tested a new, gravity-defying wind turbine system that they say could generate power from the airspace above ...
A wildly innovative turbine that could halve the cost of offshore wind is set to go into testing in Norway. The 19-m (62-ft), 30-kW, contra-rotating vertical-axis turbine is a prototype of a design ...
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