Chicago deploys computers with eyes, ears and noses

Chicago this week began deploying sensors on light poles to monitor, photograph and listen to the city. The effort is costing as much as $7 million, and may be the largest urban data collection of its kind once all 500 nodes are in place.
The beehive-shaped nodes have an array of sensors with enough onboard computing capability to conduct data processing on the deviceand minimize the amount of bandwidth needed to transmit data.
Cameras will track the movement of pedestrians, vehicles and whethe