PITTSBURGH, PA.- Home is a word dense with personal and social meaning, and one that conjures images of everything from a stately mansion, to an apartment building, to a childs treetop refuge. More than simply a house, a home is at once the focus of domestic aspirations and the outward expression of them, however modest or grand. Tracy Myers, curator of the Heinz Architectural Center at Carnegie Museum of Art, realized that the Center is home to a remarkably rich collection of material that, when examined and presented together, provides a survey of the evolution of home design from the 19th century to the present. Imagining Home: Selections from the Heinz Architectural Centercurated by Myers and on view at Carnegie Museum of Art through May 30, 2010presents more than 125 drawings, models, books, and games from the Heinz Architectural Centers collection that reveal ways in which the home has been