World's No.1: Supercomputers Fuel Competition

By DON CLARK

China's installation of the world's fastest supercomputer is galvanizing efforts by U.S. government agencies and companies to restore American leadership in the technology, a key tool in such fields as climate research, product design and weapons development.

Participants hope to outrace Chinese engineers in bringing a thousand-fold acceleration of today's most powerful machines—replaying a crusade in the past decade that leapfrogged a supercomputer in Japan that briefly held the world speed crown.

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