Dentalbot
A dentist from the Showa University Dentistry School demonstrates a treatment on a dental patient robot named Hanako Showa, at the University’s dental clinic in Tokyo on March 25, 2010. Japan’s robot maker Tmsuk and the Showa University unveiled the dental patient robot to be used for student training, which imitates human reactions such as coughing, tongue movement and pain reaction. (credit: Yoshikazu Tsuno/AFP/Getty Images)