# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-01-25 19:36:39 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/8203927496) James Randi the ADE651 aka Quadro Tracker http://www.youtube.com/watch?v=ruTmqfGJhTI&feature=autoshare