January 12, 2012  |   Judging by name alone, iFriends.com seems innocent enough. But, in fact, it is self-described as "the largest premium and free adult webcam sex chat community in the world." IFriends, which has existed since 1998, is one of millions of...

September 14, 2011  |   The decade after the 9/11 attacks reshaped many facets of life in America. Some changes were temporary -- an immediate response out of concern for our safety -- while some proved to be more lasting transformations in American life. The...

August 30, 2011  |   This laser projection system is a form of augmented reality. Different symbols can be projected to show workers what to do, such as trim the chicken before packaging. Photo by Georgia Tech Research Institute. In the Harry Potter world,...