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Livermore, Calif., Supercomputer Shows Material Failures at Atomic Level.
Knight Ridder/Tribune Business News, May, 2002
By Glennda Chui, San Jose Mercury News, Calif. Knight Ridder/Tribune Business News
May 14--One of the world's most powerful supercomputers, at Lawrence Livermore National Laboratory, has been trained like a microscope on one of the smallest but most important technological problems of our time: how materials crack and deform.
These failures in everything from metals to concrete cost the United States economy $388 billion in 1999, by one estimate -- about 4 percent of the gross national product. They can also be deadly, causing bridges to collapse and planes to crash. Scientists have worked for decades to understand and prevent them.
But until now, no one had been able to examine two key forms of failure -- bending and breaking -- atom by...
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