Crash-Proofing Drones: The Tech Race Is On

Getting unmanned vehicles to dodge obstacles is a challenge

Courtesy Amazon

Drone enthusiasts believe the day will come when thousands of the flying machines will transport packages, search for missing persons, fight fires, even deliver pizza. Yet to harness the full potential of drones, humans have to figure out how to get them to fly on autopilot without crashing into things—and each other.