Self‐Propelled 3D‐Printed “Aircraft Carrier” of Light‐Powered Smart Micromachines for Large‐Volume Nitroaromatic Explosives Removal Lei Kong, Adriano Ambrosi, Muhammad Zafir Mohamad Nasir, Jianguo Guan, and Martin Pumera* Advanced Functional Materials 2019, 29(39), 1903872