An African mega-city bets on technology and its native entrepreneurs to meet the many challenges of its population boom.
China has put political muscle and technology into Tianjin Eco-City.
Twenty years after it first surfaced, data-driven police work is getting more pervasive but remains controversial.
Mobile apps, sensors, and other technologies help cities handle growing challenges.
Startup Knightscope is preparing to roll out human-size robot patrols.
A chip that tracks how a police officer’s gun is being used could prove useful in investigations and court cases.
A new device lets you use the unique pattern of your irises in place of passwords–and the technology will also be built into laptops.
A smartphone-based virtual reality headset from Samsung and Oculus VR could make the technology more accessible, but it also demonstrates a new set of challenges.
Wireless links formed partly by lasers may offer a faster, cheaper way to improve mobile Internet.
A Carnegie Mellon researcher shows that designing robots to ask for human assistance can make them a lot more useful.