NEW YORK - SEPTEMBER 29: A teenager tries the VirtuSphere, a 3-D combat simulation device that can be used for military training at the WIRED NextFest festival, a four-day festival of pioneering technologies and products September 29, 2006 in New York City. NextFest showcases cutting edges in technology featuring over 130 interactive exhibits with everything from games to communication technology, eco friendly cars and leading robot designs.