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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Lawrence Livermore National Laboratory's Dawn marks that lab's second entry on this list. The 11th most powerful supercomputer in the world, Dawn sets the stage for its multi-petaflop successor, Sequoia, which will be more about 10 times faster than today's fastest. These systems are being and will be for nuclear weapons safety.