Optical motion control of maglev graphite

Thanks to reader Mike Meakin for sending this one in. He writes:

Having just looked at the  ‘Ball Bearing Motors‘ article in the Engineer in Wonderland blog, you have to look at: http://www.techthefuture.com/science/light-controlled-levitating-magnets/

Watch the video and be amazed. I got the link from an Elektor news item.

The video comes from Prof. Jiro Abe and Dr. Masayuki Kobayashi at the Aoyama Gakuin University in Japan.It is well worth a look.