World's most futuristic cities
World's smart cities
Boston: One of the oldest cities in the United States of America (USA), Boston has various parts wired with acoustic sensors to detect and pinpoint locations of gunshots. Known as the 'ShotSpotter', the system is designed to detect locations of violence like gunshots in the city. With 222 such sensors around the city, this system also aids in detecting biological weapons.
Apart from crime, the city is also equipped to track greenhouse emissions and also has a software to predict the maintenance needed in sewer systems.