The Korean robotics expert is best known for creating the Federation of International Robot Soccer, where droids battle it out on the pitch.

CNN: 'Sobots': Uncorking the robotic genie in a bottle

Scientists hope to use what they learn to improve robot software, and they are even dreaming--dreaming, we should emphasize--of a team of robot soccer players that could someday compete against humans.

NPR: Building a Better Soccer-Playing Robot Dog