The word robotics can mean a lot of things. For some people, it is anything that moves by itself; kinetic art is robotics. To other people, robotics means something that is mobile or something that can move itself from place to place. There is actually a field called mobile robotics; automatic vacuum cleaners, such as a Roomba or a Neato, fall into this category. To me, robotics falls somewhere in between kinetic art and mobile robotics.
A robot is technology that applies logic to perform a task in an automated manner. This is a fairly broad definition, but ...