To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. Two particles are tracked by the controller. At t = 0, the controller is activated. The target positions of both particles are stepped along a preprogrammed path to trace the letter I. The movie has been increased in speed by 10× for display. Stokes trap for multiplexed particle manipulation and assembly using fluidics Anish Shenoy, Christopher V. Rao, and Charles M. Schroeder PNAS. 2016. DOI: 10.1073/pnas.1525162113 Download Original Video Browse All Videos »