Are we headed for nuclear meltdown?

Over the years, nuclear reactors have been viewed as both a miracle and a menace. How does a nuclear reactor do its job? And what happens when something goes wrong? Find out in How Nuclear Reactors Work.

Source: http://feeds.howstuffworks.com/~r/DailyStuff/~3/trZcwJD0NM0/nuclear-reactor.htm

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