【Economist】Air travel: Mechanical engineers

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中文导读 为了保证飞行安全，航空发动机需要经常进行检查、保养和维修。但由于航空发动机内部构造异常复杂，拆卸后再进行检修非常耗时耗力。针对这一问题，GE（通用电气）的科学家们发明了可以进入发动机内部进行检修的小机器人，这些机器人可以将内部情况拍照传送给技术人员并进行一部分维修工作。 Tiny robots will inspect and fix jet engines from the inside IF YOU are reading this while sitting in an aircraft and are of a nervous disposition, do not be alarmed, but the temperature inside the jet engines keeping you aloft probably exceeds the melting point of the materials that those engines are made from. That they do not consequently turn into a molten mess is a feat of modern engineering. It involves a combination of tough alloys and advanced production tec ………………………………