After years of trailing the Chinese and Japanese, the United States now has three of the four fastest supercomputers in the world.
More on supercomputers
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Top U.S. supercomputer
The Tian supercomputer can produce a record 20 quadrillion calculations per second.
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What it's like to play with a supercomputer
I got a chance to tour Jaguar, the Department of Energy's supercomputer. It was bigger, faster, and certainly much louder than I thought.
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Meet America's fastest supercomputer
The Jaguar supercomputer in Oak Ridge, TN is used for everything from scientific research to disaster management.
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Under the hood of a supercomputer
Supercomputers require the same amount of electricity as a small town and massive cooling facilities to run properly.
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