magnetic spinning disc video

[Light]

Driver's hidden.
Here how it works:
http://www.youtube.com/watch?v=RFB-xYL2xWw
No OU whatsoever.
Maybe if put bunch of them together...

[Pirate88179]

Thank you for this explanation.  As you mentioned, I wonder if there is any additional drag on the drive motor if, say,
20 rotating "receivers" were used?  I mean, if the magnetic field is spinning, maybe there is no additional drag
for an "unlimited" number of rotating receivers?

Very thought provoking.  Thanks.

Bill