Substantial research efforts have shown nuclear fusion energy to be a promising technology for producing safe, pollution-free, and economical electric energy later in the 21st century and beyond.

大量的研究已经表明，因核聚变能源生产安全，无污染并且节约(经济)电力能源，其将是21世纪后期及以后一项大有可为的技术。

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The trend of globe energy transformation is briefly analyzed, and it is indicated that main energy used by mankind during 21st century are two kinds: nuclear fusion energy and natural gas hydrate.

简要分析了全球能源变换的趋势，指出21世纪人类所用的能源主要有核聚变能源和天然气水合物两大类。

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Two desktop-printer engineers quit their jobs to search for the ultimate source of endless energy: nuclear fusion. Could this highly improbable enterprise actually succeed?

两位桌面印刷工程师放下手中的活去研究核聚变这种取之不尽的最终能源，这项看来异想天开的事儿能成功吗？

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Nuclear energy is released during fission and fusion.

WSJ: The New Nuclear Revolution

The good news is that the big names in nuclear energy -- like Areva, Hitachi, General Electric and Toshiba -- have recently been joined by a bevy of high-tech start-ups seeking to develop advanced nuclear-reactor designs for both fission and fusion energy production.

WSJ: The New Nuclear Revolution

Acting alone, gravity would cause stars to collapse completely, but as long as energy is produced at their centers by nuclear fusion (the joining of atomic nuclei to form new elements, as in a hydrogen bomb), the star is heated and puffed up.

CNN: Why gamma-ray burst shocked scientists