ScienceDirect is the database of journals published by Elsevier, in engineering, medicine, science, and the social sciences, 1995 to present (many fulltext). Look for the green "full-text" icon when searching for articles.
APS publishes leading international physics research journals, including Physical Review Letters, Reviews of Modern Physics, and the Physical Review series. Physical Review Online Archive (PROLA) provides access to articles in these journals all the way back to the founding of the Physical Review in 1893.
Answers @ Bertrand Library will lead you to how-to's, tutorials, walk-throughs, and FAQs for a variety of research-related questions. Answers @ Bertrand Library should not be used to search for journal articles, books, and other materials. Please consult subject-specific databases for these searches or ask a librarian. Below you will find answers to some frequently asked questions. Access the full Answers @ Bucknell knowledgebase.