Where's that plane overhead going? Wolfram Alpha knows

Wolfram Alpha, the search engine that's more than just a search engine, has added a neat new trick to its repertoire: it can now answer the question, "where is that plane overhead going?" More than that, it can tell you where the flight's coming from, what airline is operating it, the altitude the plane is flying at, and even its angle from the horizon relative to you. All that info is coming into Wolfram Alpha from the US Federal Aviation Administration, though it arrives with a five-minute delay that means Wolfram's real time data is actually a projection of each plane's position — calculated on the basis of its last known heading, speed, and altitude — rather than a perfectly accurate mea... »read more

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