/technologies/robotics/b/blog/posts/ant-bots-demonstrate-the-importance-of-geometrical-properties-in-transportation-system-design(a) Two Alice robots facing each other, with (left) and without (right) the additional module for light detection. (b) Three Alice robots pursuing a light trail. (c) Typical time course of an experiment with three loops (access to a fourth loop that en-USTelligent Community 12