Robots shoot, score, advance AI then fall over at the robot world cup 2016

This annual gathering sees robotics experts from all over the planet fielding teams of battling soccerbots in a bid for robot football supremacy. In this CNET special feature, we take you inside the tournament, revealing the goals, dives and cutting-edge technology deployed in this quirky footie-fest. This year's tournament took place in Leipzig, Germany, where robots across both humanoid and non-humanoid leagues went head-to-head. Meet the Australian team out to defend their title, see why a change to the regulation ball has scores of robots baffled, and enjoy the sight of extremely adorable robots falling over -- then hopping right back up again. Hit play on the video above to check it out, and see more videos from RoboCup below. The pace of artificial intelligence is relentless, so it's not surprising that robot competitors are frequently retired from the game.