As we reflect on history, we can observe numerous systems with resemblances to robots. In fact, some concepts of robotics and artificial intelligence (AI) are speculated to date back to ancient times. The resourceful Ancient Greeks, for instance, created sophisticated automated puppet theatres1, while the Ancient Egyptians devised ingenious mechanical operating systems embodied in figurines2. Fast-forwarding to the present era, significant progress has been made since the days of Ancient Greece and Egypt. Nevertheless, it is evident that the fundamental mechanics of some contemporary systems bear similarities to those of antiquity.