Robotic Arm Used At Fukushima

After helicopters robotic arm tries to cool nuclear reactor

A 50-metre-long robotic arm sprayed water on a dangerously hot spent fuel pool as workers at Japan's crippled nuclear plant rushed to hook up power lines to all six reactors.The specialised arm was brought in on Tuesday to help firefighters battling to keep the spent fuel rods and the reactors themselves cool at the Fukushima Dai-ichi nuclear power...