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By Kevin Bullis

The latest nuclear reactor designs could help avoid the overheating and explosions that have occurred at the Fukushima Daiichi nuclear plant in Japan following the powerful earthquake and tsunami that struck on Friday. Newer reactor designs propose the use of passive cooling systems that would not fail after a power outage, as happened in Japan, as well as other novel approaches to managing reactor heat.

As of Monday, power plant operators in Japan continued to struggle to cool reactors at the Daiichi plant. Two explosions had occurred in parts of the plant but the reactor core and primary containment structures were apparently not damaged. (There have been reports of a third "explosive sound.") So far relatively little radiation has been released and some experts say that a complete meltdown, in which large amounts of radioactive material would be released into the environment, is unlikely, and that within a few days, the reactor core will have cooled to the point that it will be easier to manage.

To read the complete article visit: http://www.technologyreview.com/energy/35100/?ref=rss&a=f

Article Source: Technology Review, published by MIT

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