A remote controlled robot that uses dry ice to vacuum up radiation was unveiled by Japanese researchers on Friday, the latest innovation to help the clean-up at Fukushima.
A Toshiba decontamination robot, for work inside a nuclear plant, is used during a demonstration at Toshiba's technical center in Yokohama, suburban Tokyo on February 15, 2013. The crawler robot blasts dry ice particles against contaminated floors or walls and will be used for the decontamination in TEPCO's stricken Fukushima nuclear power plant.
The caterpillar-tracked device blasts dry ice -- frozen CO2 -- against floors and walls, evaporating and carrying radioactive substances with it, engineers said. The nozzle also sucks up the resulting gases.
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