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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Oak Ridge National Laboratory's Jaguar is the most powerful supercomputer in the world as ranked by the Top500 supercomputer rankings. It peaks at 2.33 PFlops, has two partitions, one of which contains 224,256 compute cores and a whopping 598 TBytes of memory, and has been used for, among other things, modeling atomic processes. The other partition is 16th on the Top500 in its own right.