Visitors wait to tour "Chip", a home designed by The Southern California Institute of Architecture and California Institute of Technology, in Washington

 
Visitors wait to tour "Chip", a home designed by The Southern California Institute of Architecture and California Institute of Technology, in Washington
Visitors wait to tour "Chip", a home designed by The Southern California Institute of Architecture and California Institute of Technology, for the Solar Decathlon in Washington September 26, 2011. The U.S. Department of Energy Solar Decathlon is a competition that challenges collegiate teams to design, build, and operate solar-powered houses that are cost-effective, energy-efficient, and attractive. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS EDUCATION ENERGY ENVIRONMENT SOCIETY BUSINESS)