Nature CommunicationsBubble-triggered built-in liquid metal-based galvanic cell for gas pipeline microleak detectionGuomin YeXueke WangXinyang ZhangYi ChenYingfei HuQiang WuYilan YangHongyao LuoNailiang YangPeng YangYanfen Wan2026-08-07Full textDOI https://doi.org/10.1038/s41467-026-76442-2