<p>➀ Northeastern University developed SCCRUB - a soft robotic arm capable of removing over 99% of hardened dirt through scrubbing, marking a breakthrough in household cleaning robots; </p><p>➁ Features planetary gear-driven bristle brush and machine learning-based controllers, enabling safe human-robot collaboration while maintaining cleaning effectiveness; </p><p>➂ Leverages modular TRUNC cell design to balance flexibility and scrubbing force, with future plans to expand applications in industrial and public scenarios</p>