Researchers led by W. Zeng, X. Ding, and Y. Jin unveiled a flexible millirobot using magnetic nanoparticles embedded in a polymer matrix capable of simultaneous movement and environmental sensing. Published in npj Flexible Electronics, the device mimics biological motions and incorporates sensors monitoring pressure, temperature, and chemicals. Controlled wirelessly by external magnetic fields, this soft millirobot represents a significant advance in robotics with applications from medical delivery to environmental monitoring.