(Reuters) Sydney is deploying a high-tech system that literally sniffs out vandals on its rail network. The CEO of Sydney Trains, Howard Collins, calls the new system Mousetrap. “So our new operation, Mousetrap, is what it says it does. It detects, covertly, people vandalising our trains,” he said. When a graffiti attack is taking place, a sensor in the carriage acts like an electronic nose, detecting the presence of paint fumes. An alarm is sent […]