Snake-like robot unveiled for Fukushima debris removal Images released by Tokyo Electric Power Company (TEPCO) show a new snake-like remote-controlled device that can help remove radioactive debris from inside Japan's stricken Fukushima nuclear plant. The 22-metre-long, 4.6-tonne robot arm can move through small tunnel-like passages and inspect complex structures within a confined space. TEPCO plans to use it later this year to conduct the third trial debris removal operation at one of the melte