I don t know about the redundancy that you mentioned but this article certainly could be more accessible and if you can accomplish that aspect that would be fantastic It s always seemed to me that the Physics and Mathematics articles are orientated too much towards experts and other subjects say Philosophy History or Politics that I don t profess to know a great deal about seem to be easily accessible to me so much so in fact that a lot of what forms my philosophical and political beliefs has stemmed from using Wikipedia as a first point of call I would almost certainly recommend Wikipedia for someone wanting to learn about such subjects but I wouldn t necessarily recommend it for physics or maths articles at the moment especially maths heavy articles like this