Two years ago, Iranian students built Sorena, a white humanoid machine that reportedly wheeled about via remote control. For 2010, robots experts at Tehran University decided to update the creature -- and apparently, channel a little bit of Asimo. Surena 2 was unveiled by Iranian president Mahmoud Ahmadinejad this week, its purpose unknown. Named after a famous Persian warrior, the robot stands 4.7 feet tall, and can walk about slowly carrying its own weight of 99 pounds. Gulf News reports the robot will get vision and speech modules later on down the road. If it ends up conducting or