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TO GO WITH Lifestyle-technology-robotics-Japan-ethics,FEATURE by Alastair Himmer This picture taken on July 8, 2014 shows Japan's National Institute of Advanced Industrial Science and Technology (AIST) researcher Yoshio Matsumoto (R) showing his humanoid robots "Actroid F", which are male and female twin androids, at his laboratory in Tsukuba. A future in which it is difficult to tell man and machine apart could soon become reality, scientists say, after recent robotic breakthroughs in Japan. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)

TO GO WITH Lifestyle-technology-robotics-Japan-ethics,FEATURE by Alastair Himmer
This picture taken on July 8, 2014 shows Japan's National Institute of Advanced Industrial Science and Technology (AIST) researcher Yoshio Matsumoto (R) showing his humanoid robots "Actroid F", which are male and female twin androids, at his laboratory in Tsukuba.  A future in which it is difficult to tell man and machine apart could soon become reality, scientists say, after recent robotic breakthroughs in Japan.      AFP PHOTO / Yoshikazu TSUNO        (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)