(liquid crystal:1.9), (vibration sensing:1.8), (self-healing:1.7)* Spin protein-doped fibers (recombinant dragline:1.7) that change refractive index under strain. Film laser speckle patterns (Moiré interferometry:1.6) detecting 0.01mm structural deformations. (structural health:1.8), (invisible:1.7)
