This video is of a couple of experiments using permanent magnets.
Part 1 is a part of a permanent magnet motor I'm attempting to build (it's not finished) and shows the flux gradient in an entertaining and clear way.
Part 2 shows how a bolt channeling magnet flux through it creates a unique interaction with another magnet of the same polarity. There is a very subtle "sweet spot" between magnetic repulsion of the like North-North magnetic poles and attraction between the magnet pole and the steel bolt extending the flux from the magnets attached to the other end. I find it interesting because it is a very fine line that perhaps could be exploited in a permanent magnet motor in some way.
"Rabbit in the Moon" - Music by Sasha & John Digweed
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