The Hong Kong Polytechnic University (PolyU) won a total of 36 accolades at the 50th International Exhibition of Inventions Geneva (Geneva Inventions Expo), a widely recognised annual event devoted exclusively to invention. Co-developed with MTR Corporation, their awarded project entitled "NoiseRadar: AI-enhanced multidirectional noise detection system for the well-being of communities living near railway lines". It is a user-friendly portable device that maps noise by incoming noise directional dominance and offers maintenance insights to ensure tranquility for near track communities.