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6 years ago
Nelson Bell added a comment to proposal Shutter-like turbine for low head shallow river/canal/sewer hydropower system
7 years ago
Nelson Bell is supporting proposal Shutter-like turbine for low head shallow river/canal/sewer hydropower system
7 years ago
Nelson Bell is supporting proposal High efficient shutter propeller for marine or aircraft application
7 years ago
Nelson Bell is supporting proposal Commercial flapping-shutter ornithopter era will come soon
7 years ago
Nelson Bell joined the Climate CoLab community