Permanent Magnets Doing Work 2 http://youtube.com/watch?v=ALrTuO5t9cM From: AdminOnDuty 6.5 minute video demonstrating two types of magnetic acceleration uphill. This demonstration uses weak magnets. For a more powerful demonstration see this link: http://video.google.com/videoplay?doc... (less) http://video.google.com/videoplay?docid=440439174602514896