The United States took the lead from Japan in the supercomputer Olympics on Monday, with an IBM system in Livermore and an SGI system in Mountain View placing first and second among the 500 fastest supercomputers in the world. But while the new ranking restores the nation’s bragging rights, it is no guarantee that the United States will remain a leader in developing the monster machines used for everything from forecasting climate to modeling nuclear explosions, according to a report released Monday by the National Research Council.
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