Power-hungry supercomputers going green

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Speed and power have long been the most important criteria when judging a supercomputer's worth as a number-crunching lab workhorse, but energy efficiency is fast catching up . The greenest supercomputers are those that can process the most scientific calculations per second while drawing the least power. [More] (http://www.scientificamerican.com/blog/60-second-science/post.cfm?id=power-hungry-supercomputers-going-g-2009-08-03)

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