超完美平衡的機器人

[哈啦]

http://img243.imageshack.us/img243/5823/rb652vq9.jpg

http://www.youtube.com/watch?v=VDm22U_teoQ

http://www.youtube.com/watch?v=9rKzscST52w

http://www.youtube.com/watch?v=iHyLJQQTLg8