Saya

Saya, a robot teacher, can converse in many different languages, do a roll call, give assignments to her students, and has eighteen motors hidden in her latex face which helps her express emotions ranging from approval to anger. She was originally developed as a receptionist robot in 2004 by professor Hiroshi Kobayashi of the Tokyo University of Science, she has been undergoing a recent transformation to function as a substitute teacher. She was designed to take over human jobs in Japan in an effort to deliver a cheaper workforce as the population ages.