If you want to find out more about Dianetics and Scientology, the best way to do this is to read an L. Ron Hubbard book on the subject. I personally recommend you read Scientology 8-8008.
I loved this book. For me it answered a lot of questions that I did seek long before I came into Scientology. Imagine you could send a person from planet earth to the boarder of this universe and far beyond to a point were he had a broad view over it which contained it's birth, and our own role in it. Imagine this guy was calling you up and told you all about it.