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For years computer experts have been hailing the advance of artificial intelligence software that will in time, they say, mimic the problem-solving and decision-making skills of us humans. But how can computers, which think in straight lines, copy the lateral thinking we're capable of? Last year IBM unveiled its TrueNorth chip, hailed as the world's first pattern recognition computer processor. Larry Smarr, professor of computing at the University of California is one of the brains behind the project - he says it could lead to smartphones that can 'taste' and 'smell' wine. (Photo credit: Justin Sullivan/Getty Images)