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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Argonne National Laboratory's Blue Gene/P is the second Blue Gene supercomputer on the list and the eighth most powerful supercomputer in the world. Among its projects are nanoscale materials science analysis, simulation of neutron reactors, and protein binding interactions. It recently won an award from the Department of Energy for energy efficiency air side economization in cool weather.