Pheromone Robotics
An Anonymous Coward writes: "This is the official text I just came across: "The HRL Pheromone Robotics program aims to provide a robust, scalable approach for coordinating actions of large numbers of small scale robots to achieve large scale results in surveillance, reconnaissance, hazard detection, path finding, payload conveyance, and small-scale actuation." But it's the spooky image that grabbed *me*..." Here's some more on the pheromone-sniffing robots pictured, and some more information about making robots that hunt in packs. The page has not been updated for a while, but it's worth seeing.
Here's a section from the article that explains basically what I just tried to explain.
I don't mean to be flame bating or anything, I just thought the writeup was a bit confusing/misleading...that or I'm just an idiot and didn't understand what they submitter meant.