By phrasing your questions right however, these engines become very useful. Of the major general-interest engines, AltaVista has the broadest coverage, claiming to have 250 million fully indexed Web pages in its database. They simplify the process of visiting multiple sites and repeating your search. Then you should check out a unified search engine site. These are search engines sites that allow you to search various other engines easily.
Directories contain lists of such sites, organized by topic.
A favorite is Yahoo . Keep drilling down until you find the stuff you want. The best way to find one of these specialized directories is to check the Clearinghouse for Subject-Oriented Internet Resource Guides at the University of Michigan. While directories are helpful when you're trying to find out what the Web has to offer, they become less so as your questions become more specific. To find answers to such questions, you need a search engine.