INSPEC - The most comprehensive coverage of the Physics literature available. Covers 1969 to present.
Spin Database - A fully searchable, continually updated database of over one million research records in the physical sciences from 1975 to the present.
Engineering Village - Citations with abstracts to literature in engineering and technology, excluding patents (1970-present)
LEXIS-NEXIS Databases of information (some full-text) covering business, legal research, medical, government and politics, and U. S. PATENTS; search back more than 20 years
Web of Knowledge - includes Science and Social Sciences Citation indexes.

Dissertation Abstracts -  Ph. D. dissertations and selected masters theses accepted in the US.
Dissertations Full-text - University of Mississippi dissertations online, 1997-

Grant Information
Selected sources.

Environmental Protection Agency - 
National Science Foundation -  Directorate for Mathematical and Physical Sciences
COS Funding Opportunities -From Community of Science. A searchable database including research grants across many disciplines. 
Office of Naval Research -
UM Office of Research - 
U.S. Army Corps of Engineers - 

Graduate School Information

Peterson's Guide to Programs - 
Graduate Programs in Physics -
Graduate Record Exams - (GRE) 
Physics Graduate School Directories -
Science (AAAS) - Academic connections. 

Employment Resources

American Association for the Advancement of Science: Science Careers- from Science. 
APS Careers in Physics - job links and career guidance Chronicle of Higher Education Career Network - job listings in academia 
Jobs in Physics, Astronomy, and other fields - a very thorough list from Sonoma State University
Occupational Outlook Handbook : Physicists and Astronomers - career information
Occupational Outlook Handbook : Atmospheric Scientists - career information
PhysicsJobs - from PhysicsWeb
PhysJobs - Physics Jobs Online