Author(s): Ran Ni, Martien A. Cohen Stuart, and Peter G. Bolhuis
The effective force between two flat objects immersed in a suspension of active colloids can be tuned by changing the activity and density of the colloids. This finding opens the door to using active matter as a way to manipulate the motion and assembly of macroscopic objects.
[Phys. Rev. Lett. 114, 018302] Published Wed Jan 07, 2015