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Core catchers are pretty new inventions, and I don't know if any nuclear plants have reactors with them yet. The EPR has a core catcher, which works by spreading the corium out over a large concrete surface which cools the corium. The concrete is itself cooled by waterpipes inside the concrete.

Peak oil is not an energy crisis. It is a liquid fuel crisis.
by Starvid on Thu Mar 31st, 2011 at 03:40:32 PM EST
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