机器人真的需要腿吗？

● By Samantha Kelly At Providence Saint John’s Health Center in Santa Monica, California, a humanoid robot in a plastic Dodgers helmet roams the hallways. It pulls up outside an oncol- ogy lab, where a technician walks over and retrieves a package from one of three drawers beneath its torso. The technician thanks the robot, named Moxi, which blinks, pivots and heads for the elevator. Moxi and its twin, Roxi, complete dozens of such tasks at the hospital each day, including delivering lab samples and medications and transporting sup- plies and spare clothing. The company behind the machines, Diligent Robotics Inc., a startup in Austin, has deployed them in more than 25 health systems across the country. …