Hacker News Reader

You can use sci-hub.se to access virtually any academic paper (which has been digitized) you want. No browser extension required.

Unfortunately due to an ongoing court case, Sci-Hub have paused adding any new papers

Further details and suggested alternatives at https://old.reddit.com/r/scihub/wiki/index

The case is ongoing but the injunction was temporary and has now expired. See https://news.ycombinator.com/item?id=28421477