Cui, X., Sun, J., Wang, Z., Zhang, Q., Zhao, S., Yang, Z., Liu, S., Zhao, J., Shan, L., Quan, Y., Wang, L., Gao, J. (2026). An ultrahigh stretchable wearable self-powered hydrogel sensor driven by body heat. Applied Physics Letters. https://doi.org/10.1063/5.0331962