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[½»Á÷] 2013/1/11 news of the week@SCIENCEÖ®Áù£ºÃÀº«ºÏ×÷Ñо¿ºË¾Û±ä·´Ó¦¶Ñ

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Princeton, New Jersey 6
Princeton, South Korea Collaborate on Fusion Reactor
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The Princeton Plasma Physics Laboratory (PPPL), the United States¡¯ foremost fusion lab, is to collaborate with researchers in South Korea to design a next-generation fusion power demonstration plant that could generate electricity sometime after 2030. Fusion reactors generate energy by fusing hydrogen isotopes¡ªbut no fusion reactor has yet produced more energy than required to keep it running.

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The United States and South Korea are partners¡ªalong with China, the European Union, India, Japan, and Russia¡ªin ITER, an international project to build a reactor that can produce excess energy. ITER¡¯s target is to produce 500 megawatts (MW) for 500 seconds at a time. Scientists at PPPL are preparing a work plan this month for the collaboration, which initially will run for 6 months. K-DEMO will be roughly the same size as ITER but it will produce 1000 MW and run for several weeks continuously. Rather than constructing an international demonstration reactor, many of the partners are considering building their own demonstration plants, including China, Japan, and India¡ªand now South Korea looks set to join the race.

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