# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-05-02 00:11:10 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/13215663185) A Robot That Balances on a Ball - teef55's YouTube Activity - I liked a YouTube video: Developed by Masaaki Kumagai… http://bit.ly/cGN3Dj