But in the wake of the devastating nuclear accident that is still unfolding in Japan, many Americans are now re-evaluating the potential costs and benefits of nuclear power.

但是，自从日本的毁灭性的核事故在世人目前上演以来，许多美国人开始重新评估核电的潜在成本和好处。

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The withdrawal of Nevada's Yucca Mountain as a potential nuclear waste repository has reopened the debate over how and where to dispose of spent nuclear fuel and high-level nuclear waste.

撤消内华达州尤卡山作为一个潜在的核废物处置库重新开启了关于怎么和往哪里处理乏核燃料和高放核废物的讨论。

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Experts say terrorist groups are seeking materials for a crude nuclear device - a so-called "dirty bomb" - that would have limited blast potential but could spread radiation in a major urban area.

VOA: standard.2010.04.11

Japan and Australia, sponsors of rival grand commissions when a potential nuclear-free window opened at the cold war's end, have joined forces to set up a new one.

ECONOMIST: Nuclear disarmament

Ouyang advocates eventually mining the moon for minerals such as titanium and for potential nuclear fuels such as helium-3.

NPR: China Aims High For Its Space Program

As great a potential threat as nuclear weapons proliferation - and as demanding of a coordinated international response - is the threat from failing and unstable states.

BBC: In full: Brown security statement