Step away from your Google search for a moment and consider the following scenario: What if a search engine, instead of giving you a long list of Web pages, simply computed the answer to whatever question you threw at it?
What was the average temperature in Chicago last year? What is the life expectancy of a male, age 40, in New Zealand? If you flip a coin 10 times, what is the probability that four of the flips will come up heads.
This scenario will become reality later this month with the highly anticipated launch of Wolfram Alpha, a free Web site that is the result of years of secret work by a British mathematician—Stephen Wolfram—and his team of 250 colleagues. The project set the tech world on fire last week after a sneak preview at Harvard Law School, and may present the most powerful challenge yet to the Google behemoth.
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