Japan Post Co. unveiled to the press Wednesday a self-driving mail delivery robot, the first of its kind on a public road in Japan, as demand grows for minimizing human contact amid the coronavirus pandemic.Using built-in cameras and sensors, the robot -- which is the size of a wheelchair -- operated on a sidewalk in Tokyo's Chiyoda Ward, dodging obstacles such as utility poles, and crossed an intersection with traffic lights.The robot is in the middle of a series of test runs that began on Sept. 18 and runs through late October that sees it travel 700 meters from a convenience store in a h…READ FULL ARTICLE