HRP-4C humanoid robot performs

The HRP-4C humanoid robot performs during a demonstration at the Digital Content Expo 2009 in Tokyo October 22, 2009. REUTERS

Combo picture of humanoid robot

This combo picture shows a humanoid robot HRP-4C, developed by Japan's Advanced Industrial Science and Technology (AIST) showing her skills during the Digital Contents Expo in Tokyo on October 22, 2009. These bizarre gadgets and more - some of them useful, most of them fun - went on display at the Digital Content Expo, a fair showcasing futuristic gaming, arts, medical and other technologies that opened on October 22. AFP

Visitor walks on a floor with a projection resembling water

A visitor walks on a floor with a projection resembling water using Solidray Co's projector system 'Tap Talk 2', which reacts to people's movements on a virtual image projected on a wall or floor, at the Digital Content Expo 2009 in Tokyo October 22, 2009. REUTERS

Humanoid robot shows off skills

A humanoid robot, HRP-4C, developed by Japan's Advanced Industrial Science and Technology (AIST) shows off her skills during the Digital Contents Expo in Tokyo on October 22, 2009. A monster-slaying bad breath blow gun, a rain-simulating 'funbrella' and a navigation-aid helmet that steers users by pulling their ears: welcome to Japan's latest whacky inventions. AFP