To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. Lattice Boltzmann simulation of flow field in a dead-end channel induced by a solute gradient. The color field represents the vorticity. Size-dependent control of colloid transport via solute gradients in dead-end channels Sangwoo Shin, Eujin Um, Benedikt Sabass, Jesse T. Ault, Mohammad Rahimi, Patrick B. Warren, and Howard A. Stone PNAS. 2015. 113:257-261 DOI: 10.1073/pnas.1511484112 Download Original Video Browse All Videos »