[IMG]http://d.yimg.com/a/p/afp/20100508/capt.p***o_1273293253125-1-0.jpg?x=130&y=95&q=85&sig=3wFi.alF9AM3F6Jq0NkgYQ--[/IMG]AFP - Japan's controversial "fast-breeder" nuclear reactor reached criticality -- the point when a nuclear chain reaction becomes self-sustaining -- on Saturday following 14 years of suspension.




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