Given the severe material restrictions she imposes on her practice, Monika Napier’s sculpture is surprisingly expressive and complex. Her recent exhibition at Mercer Union featured a single, sprawling installation, Power Cord Series: nexus, 2007, which was composed solely of electrical cords, plastic twist ties, and what looked like old-fashioned price tags. Although some of the cords were plugged into outlets, any speculation about their functionality was arrested by their lack of convergence with any appliances and their dispersion throughout the gallery. Some lone cords extended from the