Nanocomposite Sensors (IMAGE) The Hong Kong Polytechnic University Caption The nanocomposite sensors developed Professor Su Zhongqing from PolyU Department of Mechanical Engineering can be sprayed directly on flat or curved engineering structures. Credit The Hong Kong Polytechnic University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.