<A HREF="http://news.zdnet.com/2100-1040_22-5637327.html?tag=zdnn.alert">At RoboGames, 650 participants compete</A> in a number of categories, from combat to sumo. For each event, Robots must have different specialties, which take time for their builders to learn and hone. By combining sets of skills, robots can be programmed to react to completely new situations and physically respond. Ultimately, the goal is to create robots that can do more tasks that normally, only humans can do.