关于眼泪的知识 Knowledge in Tears认领

A microchip engineer explains something both familiar and unknown, but what exactly? His voice is soothing and distant in equal measure. As we go deeper inside a factory, the object is revealed: a smart contact lens. Though only a prototype for now, this lens corrects vision, displays a screen, and analyzes tears. Are we in Belgium, where the narrator is? Or Taiwan, where the f...