Researchers in Hong Kong have taken a significant step towards safer and more responsive humanoid robots by developing an electronic skin that can feel touch and react to pain in a human-like way. A team at the City University of Hong Kong, led by engineer Yuyu Gao, has created a neuromorphic robotic skin designed to mirror how the human nervous system processes touch and pain. The technology, described in a paper published in the journal PNAS, allows robots to sense contact, recognise potentially damaging force and respond almost instantly with protective movements.