Virtual reference services have increasingly become an integral component of academic libraries, offering researchers and students immediate, remote access to expert assistance. These services utilise ...

In San Francisco, a woman logs on to a Web site from her home computer and types a question: Where can I find the president’s 2006 budget request for NASA? A librarian, who is also online, directs the ...

The NFL is embracing some new technology with virtual first down measurements, but what is Hawk-Eye and how does it work?