The balance of power is shifting westward in the high-stakes competition for the most powerful computer in the world. The latest US champ is based in part on technology pioneered in the gaming industry. Like most supercomputers, this one will be used to produce ever-more-accurate simulations for scientific research and engineering applications.

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For decades the fastest computers in the world were all American. Not anymore. In this short Newsweek article, Daniel Lyons describes the state of the great supercomputer race between China and the USA—and the high stakes of that race.

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What Is Watson?

June 8, 2011
Smartest machine on earth

This year Watson, an IBM computer, beat two champions on TV’s Jeopardy. This PBS Nova program goes behind the scenes and explains how Watson’s creators pulled it off.

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