Planes fly differently from birds. Cars move differently from horses. And computers think differently from humans. That had always been my assumption but if you needed more proof, Google’s AlphaZero program, which had previously shown novel ways of playing Go, has just learned how to play chess incredibly well. It did so in 24 hours and without studying any prior games. Instead it just played games following the rules of the movement of pieces and learned from that. I encourage everyone to ch...