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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.