Waymo, the self-driving car company owned by Google’s parent company, Alphabet, has said it is also operating autonomous cars on the outskirts of Phoenix without a safety driver behind the wheel. Once the map is complete, cars can use it to navigate the roads on their own. In this way, the car gains a good idea of where it is in the world. Advertisement Continue reading the main storyLidar also alerts the cars to nearby objects, including other cars, pedestrians and bicyclists. It provides information only about objects that are relatively close, which limits how fast cars can drive.

Source: New York Times March 19, 2018 21:59 UTC