One Second Of Silence, exhibition view, Parker's Box, 2008; left to right: Ground Control, 2008, polypropylene object, helium, air, diameter: 59 inches (150 cm); Gowanus [detail], 2008, 52 inkjet prints on rag paper, each: 9 1/2 x 12 inches (24 x 30 cm), overall: 46 x 183 inches (117 x 465 cm)