A global science gateway connecting you to national and international scientific databases. WorldWideScience.org accelerates scientific discovery and progress by providing one-stop searching
Engineering and Physics
2100 BC+ WorldCat connects you to the collections and services of more than 10,000 library worldwide.
1954+ Science Citation Index with cited reference searching which tracks articles that have cited a specific work by an author.
WHOI database of scientific instruments: how they work, what they do, and why they do it.
This site allows users to directly search the collection of freely available academically-oriented digital resources.
1990+ Government-funded scientific, technical, engineering, and business related information from 200 federal agencies.
JSTOR offers a high-quality, interdisciplinary archive to support scholarship and teaching. It includes archives of over one thousand leading academic journals across the humanities, social sciences, and sciences.
A digital library of Internet sites and other cultural artifacts in digital form.
From one place, you can search across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations.
1943+ Energy and energy related unclassified science and technology information.