Wolfram Alpha goes live
Updated on 15 May 2009
A new internet search engine goes live tonight that can give you the answers you want, not just a random list of links. Benjamin Cohen reports.
A British physicist has come up with Wolfram Alpha, a kind of intelligent Google.
It's described as "a computational knowledge system", crunching the facts to come up with logical, relevant answers.
Full interview: Full interview: Conrad Wolfram
Benjamin Cohen interviews co-founder Conrad Wolfram about the new internet search engine.