That's pretty cool.. I was having trouble getting the pheromone to lay out, what is the visual cue for that?<p>Also, it reminded me of this series, prominently featuring ant modeling and study:
<a href="http://www.amazon.com/Spin-Control-Chris-Moriarty/dp/0553586254" rel="nofollow">http://www.amazon.com/Spin-Control-Chris-Moriarty/dp/0553586...</a>