If you’re interested in physics or math (or a few other subjects) and want to read the actual papers then you can easily do so. In my field (cosmology) there is no need to subscribe to expensive journals to read papers. We just go to the eprint (electronically printed) server arxiv.org where you can look up any paper you want without paying. It is free and legal. arXiv is run by Cornell University and has papers from the past 20 years on there.
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A blog about Physics and my Travels