The topping out ceremony for the innovative $32-million ATLAS Center, which will open for classes to 6,000 students on the University of Colorado at Boulder campus in August 2006, will be held at 11:30 a.m. Tuesday, Sept. 27. "The building and its programs are unique in their emphasis on uses of technology and digital media by all students, particularly those majoring in the arts, humanities and social sciences," said Bobby Schnabel, vice provost for academic and campus technology and faculty director of ATLAS.