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