Image Gallery: Government's 10 Most Powerful Supercomputers
The United States government owns many of the most powerful supercomputers in the world, including six of the top ten. These supercomputers are being used for everything from climate modeling to building spaceships to basic science research.
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NASA Ames Research Center's Pleiades comes in at number 6 on the most recent Top500, peaking at 673 TFlops. Like many of its peers, it runs on a version of enterprise Linux. Launched last year, Pleiades has 2.7 PBytes of storage, 24 miles of cabling, and is being used for atmospheric modeling and to design future space vehicles.