Nature CommunicationsNon-Destructive Blade Sharpness Characterization Using a High-Shear Responsive Fluid and Analytical Drag ModelingHaolin ZhaoPingfa FengNana ChaiYouhong GongEnlai JiangQizhong YueJie XuFeng Feng2026-07-15Full textDOI https://doi.org/10.1038/s41467-026-75558-9