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