Filed under: Misc. GadgetsOh, what wondrous things come from the land of Korea -- dancing emotional robot humanoids, oxygen-emitting robot plants, and multiple 24-hour StarCraft channels. It's all good, and we dig robotics and televised gaming, but this latest invention could be our favorite if it pans out. Professor Cho Jae-Phil and his team at Hanyang University have replaced the graphite in lithium batteries with a certain kind of silicon, which we're told can store eight t
