How many football fields would fit between the Earth and the sun? What's the likelihood of getting 2 heads in 10 coin flips? One search engine calculates all that on the fly and more.
Mathematician Stephen Wolfram's much-hyped "computational knowledge engine" Wolfram Alpha just went public, and it's got more than a few data nerds tickled absolutely pink (myself included). Walpha (as I affectionately call it) finds and visualizes real-world data points from natural language queries.
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