Just a few years ago, virtual worlds were credited with the power to transform the universe. Used since the late 1990s in military and medical applications, virtual worlds first gained mainstream media attention when Linden Lab released Second Life in 2003. While other worlds, including open source environments, have launched since then (examples…

In Los Angeles, racial demographics have changed radically in the past 30 years resulting in inevitable tensions in the school. This paper reports on a classroom simulation of ethnicity/race and class relations. Students adopted the roles of three polarized and rigid "color groupings": (1) Greens--ruling class, wealthy since birth; (2)…