The Actuated Workbench is a device that uses magnetic forces to move objects on a table in two dimensions. It is intended for use with existing tabletop tangible interfaces, such as Sensetable, providing an additional feedback loop for computer output and helping to resolve inconsistencies that otherwise arise from the computer�s inability to move objects on the table. Current developments include the physical synchronizing of two distributed tables for remote collaboration, and the use of actuation to program physical constraints into a simulation, allowing users to quickly set up a physical system that determines possible parameters for the underlying computational simulation.