1. Photo
    A driving simulator at the Toyota Research Institute. One possible new feature being designed by Toyota is adding the ability to stop not just when a pedestrian is detected, but also to swerve to avoid an accident.
    CreditChristie Hemm Klok for The New York Times


    Robot Cars Can’t Count on Us in an Emergency

    Scientists call it the “handoff” problem. How do you keep humans focused enough to take control of a self-driving car in an emergency?