Steven Qiu, the founder of Chinese LiDAR maker RoboSense, says a multi-sensor system is a better and safer approach for self-driving vehicles than the vision-only system touted by Tesla CEO Elon Musk . LiDAR, which stands for Light Detection and Ranging, is a sensor that scans the environment by emitting laser beams and measuring the time it takes to get a return signal. LiDAR can be found in Waymo's robotaxis and consumer products, like robot vacuums and smartphone cameras. "There's been a lot