Xconomy has a nice piece about iRobot’s entry into underwater robots - those small autonomous submarines that are becoming an important tool in ocean research, which we’ve discussed before. The story is business oriented rather than technical, but it’s still interesting.  From the story:

One of the hallmarks of robotics is that it offers a wide variety of directions and opportunities- ground-based vehicles, unmanned aerial vehicles (UAVs), industrial, consumer, military robots, and of course underwater vehicles (called UUVs or AUVs, for autonomous underwater vehicles.