In May Google and Willow Garage announced the first pure-Java implementation of ROS - Willow Garage's Robotic Operating System. Called “rosjava”, the new library is still at alpha level, but it is clear that active development continues. Several vendors now provide hackable kits.
Yesterday Liquid Robotics announced its Pacific Crossing (PacX) Challenge. Four Wave Glider robots with oceanographic sensors will launch from California attempting to travel the longest distance at sea ever completed by an unmanned marine vehicle. Best science from the collected oceanographic data wins the Challenge.