What I want is a search engine which searches the complete content of every paper, including both original research reports and reviews, published in a peer-rev

What I want is a search engine which searches the complete content of every paper, including both original research reports and reviews, published in a peer-reviewed journal since 1900. No, not just abstracts. Of course we can't have that since it's all hidden behind proprietary paywalls, and so much for the promise that the Internet would be the greatest source of information for all and would open up the knowledge base for every human being on the planet. That's the scientific knowledge base, and it's absolutely ridiculous that people anywhere can't search through it easily in today's world.