has anyone else seen this?<br><a href="http://www.rcac.purdue.edu/rackanode/" target="_blank">http://www.rcac.purdue.edu/rackanode/</a><br><a href="http://www.youtube.com/watch?v=esphw4DZA3o&amp;feature=related" target="_blank">http://www.youtube.com/watch?v=esphw4DZA3o&amp;feature=related</a>