Nature CommunicationsUltraflexible photoelectrical impedance tomography-based imager for 3-axis robotic tactile sensingKun QiaoXuyang FengLinyu DongLimei LiuQing MaDechun ZhaoShang LuHaoyang WangCunjiang YuLijia PanBinghao Wang2026-03-14Full textDOI https://doi.org/10.1038/s41467-026-70599-6