Koichi Kamoshida
TOKYO - NOVEMBER 28: A trainee dentist treats a dental patient robot "Simroid" by Kokoro Company Ltd during the 2007 International Robot Exhibition at Tokyo Big Site on November 28, 2007 in Tokyo, Japan. The humanoid robot reacts when its sensors detect trainee's actions that would cause a human pain. The International Robot Exhibition is a biennial event which started in 1973 aiming to further the progress of the gobal robot industry. (Photo by Koichi Kamoshida/Getty Images)
