The Connecticut Science Center is a nine-story museum located on the Connecticut River in Hartford, Connecticut designed by César Pelli & Associates, which opened on June 12, 2009. The building measures a total of 154,000 square feet (14,300 m2), including 40,000 square feet (3,700 m2) of interactive exhibits consisting of videos, audios, visuals, tactile components, programs, and live demonstrations.