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W E D N E S D A Y

Good design makes a cheerful office, just as lousy design (say, cheap dividers, hideous color schemes, and schizo heating systems) can transform relatively productive employees into a hateful, listless mob. Architectural historian Spiro Kostof’s film, America by Design: The Workplace, spotlights the happier side of office architecture, detailing the evolution of mill, factory, and office building design, as well as its effect on the development of cities and towns. Today at noon at the National Building Museum, 401 F St. NW. (202) 272-2448. FREE. (Steve Kuhn)