The nuke plant in Fukushima, Japan.Photo: Beacon RadioThe Daiichi nuclear power plant in Fukushima, Japan, currently has three boiling water reactors in danger of "meltdown." Here are the basics on what's happening and what that means. How does a boiling water reactor work? The nuclear core transfers energy to water by heating it. This cools the core and lets the water carry the energy away to be turned into electricity. If there's not enough water for cooling, the fuel rods can be exposed and the core can overheat. If the core heats up enough, it can start to melt -- …
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Jess Zimmerman is the editor of Grist List.