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calculators that seem to be able to do things better
                  than we can. Many products such as cars are even
                        Mostly they can’t—they simply follow instructions
                                  n from
                           that have been programmed into them by people
           Most of us use machines such as computers and
                              who do the thinking for them. But we are finding
                     made by robots. But can these machines think?
                  r        e  n




                                                          a hundreds of thousands of options before making each move. It does  this in seconds, but it’s inefficient compared to an intelligent human  a player who, with experience, will explore only the best moves. Yet it’s   e  n





                                                        Computer power
                                  p ways of making computers and robots learn their mistakes, and this is enabling some  machines to display a form of intelligence.   If you program a computer or robot to play chess, it runs through  not the robot’s fault—it’s the way it’s been programmed. A better program might enable it to work more intelligently.

                                  g
           s         o     e  h
                        c

                                     m  n

                                  y                       o                     y






                                                        Tireless robots Many factories now use robots to  work on production lines. They  are controlled by computers that  are programmed with all the instructions for the task. They  work fast and they always do it right. The computers never  forget anything vital and the  robots never get tired. This  makes them ideal for complex   p but repetitive jobs. But they only  do what they are programmed  to do, because they don’t know  how












































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