Materials Science and Engineering 

Can be searched simultaneously as INSPEC and NTIS using the same interface

Physics, electrical engineering, materials science, and computing

Cited reference searching; allows searching of articles cited by each paper and, conversely, papers than cite them.

SciFinder is a graphical interface for searching the Chemical Abstracts Service (CAS) databases, available in web and client software versions. You will need to register first, here: http://astech.library.cornell.edu/ast/phys/find/SciFinder-Scholar.cfm