<p>➀ Researchers at Chemnitz University of Technology developed millimeter-sized Smartlet microrobots with integrated electronics, sensors, and optocommunication, enabling autonomous movement and coordination in aqueous environments;</p><p>➀ The microrobots use an origami-inspired manufacturing approach to self-fold into 3D structures, powered by photovoltaics and controlled by embedded silicon chiplets, achieving decentralized control without external systems;</p><p>➀ Potential applications include environmental monitoring, medical diagnostics, and adaptive robotic systems, with future goals to expand sensory capabilities and evolve toward collective, organism-like behaviors.</p>