UW Libraries Search (beta) returns as the default search interface on the UW Libraries home page and other Libraries' pages, including the Engineering Library website. It will launch for Summer Quarter on Monday, June 16.
UW WorldCat will remain available via a tab on the main search box on the Libraries homepage and will appear as an option under the search box on the Engineering Library website.
Learn more about it here:
http://www.lib.washington.edu/new-search
Frequently asked questions:
http://www.lib.washington.edu/new-search/new-search-faq