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Three years wasted.

By now everyone should know pumping water into the reactors is not fixing anything. They avoided a full meltdown/release but the leaks will continue or get worse. Contaminated water will get into groundwater and the sea.

The reactor cores have to be disassembled and nuclear fuel removed to halt nuclear reaction. A ticklish task even in the best of conditions, it now has to be done in a high radiation environment, on unstable ground obstructed by debris, underwater by remote control. I don't know if it's even possible but if anyone can design robots capable of doing this, it's the Japanese. Have they made any progress in three years?

If not, what's their Plan B?