"That is a ball." "I execute believe that is a cone." "Seems like a wonderful book." The voice is mechanical and flat,and anyone offering such banal commentary and sounding so bored would surely bomb in a job interview. But in this case, the observations are impressive. They're made by what looks like a two-foot-tall stack of hors d'oeuvre trays on wheels, and careening around the floor and proclaiming its discoveries as its "eye," an attached camera, falls on them.
Source: phys.org