Inverse 4D printing where cooling flat carbon-fiber composite panels naturally deform into precisely curved vertical-axis wind turbine blades
"eliminates need for expensive, specialized structural manufacturing molds... works backwards from desired blade geometry calculating ideal carbon/ epoxy layer orientation... match standard commercial aluminum options' precise shape while weighing approximately 80% less... small turbines outfitted with these lightweight composite blades rotate faster, signaling a major boost in aerodynamic efficiency and a cheaper path forward for urban renewable energy systems"
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