The urban lab’s architecture is intended to disappear by eroding the traditional boundaries of the envelope. While still enclosed where required, much of the lab is left exposed to the elements not only to enhance its function as a test site, but to literally bring the field to the lab. Erosion of the envelope is expressed by the use of ‘fins’ that direct and organize the distribution of services. Secondary functions include sun shading and supplemental structural support. The 'Fin' is thus a 'single gesture' that expresses an architecture that is not only born of functional and aesthetic demands, but a socio-political dimension as well. It probes the limits of what is considered public or private, open or closed, inside or outside. Thus the Urban Farm + Lab is itself an experiment, engaging scientists, urban farmers and the general public.