http://www.sooperarticles.com - Gone are the days when only robots existed in the science fictions and the people always used to wonder how they look like, how they worked? In past the people thought that the robots are miracle or have some extra powers. They always use to think that the robots are always had the shape and structure of a human body. Then slowly and eventually humans started developing machines on a set of some pre defined instructions so they can do the set of specific tasks dedicatedly.