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i propose a simple and efficient low drag turbine following the logarithmic spiral configuration found everywhere in the universe from hurricanes to galaxies. this new horizontal axis turbine is very...
tornadoes and hurricanes are dangerous, but they also inspire new innovations in the renewable energy field. new turbines mimic those storms’ spiral rotations, hoping to generate energy cleanly and inexpensively!
omar abass
planet forward contributor
november 02, 2011
