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A computer has become the first machine to pass the ‘Turing test’, seen as a benchmark for artificial intelligence. The programme, called Eugene Goostman, took part in a series of conversations in which it fooled other participants into thinking it was a 13-year-old boy. Professor Kevin Warwick is from the University of Reading which conducted the experiment; he explains who else took part. (Photo: A statue of Alan Turing in Bletchley Park, England)