The NASA Glenn Research Center in Cleveland, Ohio, will be having their annual Open House on May 17 & 18, 2008. The doors will be open from 11am to 7pm at the Lewis Field Campus and admission is free! The tour will include most of the major facilities, including the Main Hangar, the Super-Sonic Wind Tunnel, and the "Dome of Silence" Aero-Acoustic Propulsion Laboratory. For more information, visit the NASA Glenn website at http://www.nasa.gov/centers/glenn/events/grc_openhouse_tours-old-donotuse.html