When talking about artificial intelligence(AI) many people think that neural nets should be as intelligent as human brain. Some people don’t even imagine how widely they are used in their life. Lets narrow us to something more simple and understandable. The most exiting usage of AI is robotics. Today isn’t very hard to build simple robot with few sensors and couple motors. But harder part is to make it react to real world as you expect to be. Usually when programming robot brain usually there is checking sensor states and reacting on particular circumstances like hitting the wall, line on the ground and so on. But more sensors robot has more complex reactions may be. Programming of more complex systems may be pain without using simple neural networks.