MicroHex writes: Boston Dynamics, creators of "Big Dog" recently unveiled their newest creation, "Spot." Originally funded by DARPA to develop the technology behind Big Dog, Boston Dynamics is currently owned by Google and continues its robotics research. From the video: "Spot is a four-legged robot designed for indoor and outdoor operation. It is electrically powered and hydraulically actuated. Spot has a sensor head that helps it navigate and negotiate rough terrain. Spot weighs about 160 lbs."