zlacker

True, but you can store articles in folders online and bookmark them. You can print a certain number of pages per month - 25, I think, and that adds up. Is it really necessary or even useful to print out or store locally?

It seems like their viewable content is 20% of the available literature, and the coverage is increasing. They appear to have recently added APS journals current up to five years ago. Adding arxiv to that, the physics coverage is pretty good, especially for historical research. (You also can access APS journals via your local public library.)