OMA's transformation of Post Houston. Image © Leonid Furmansky
By definition, architecture and urban planning operate within a certain degree of indeterminacy, using present context to find viable answers for an unknown future. As a result, design is a constant search for a balance between prescribing and taking a step back to make room for alternate yet unforeseeable scenarios. Uncertainty is an inherent condition in present-day society, and recent rapid social, economic, and even environmental changes prompt a closer look at how architecture can incorporate indeterminacy. The following reviews some precedents and contemporary examples that programmatically operate with indeterminacy, highlighting several strategies for designing for uncertainty and change.