Open access basically means that its an non profitable journal that does not require any registration fee from the readers. Any article or research paper related to next generation is published in this journal and that is not published in books. It is mainly published online and it is accessible to anyone or everybody who wants to read those articles. Scientific journal is a periodical publication intended to further progress of science, usually by reporting novel research. There are thousands of scientific journals in publication, and many more have been published at various points in the past. Most journals are highly specialized, although some of the oldest journals publish articles and scientific papers across a wide range of scientific fields.