Teddy, a thermodynamicist would call a machine which produces more energy than it consumes a "perpetual motion machine". It's clear that Crackpot Joe is not a thermodynamicist, so it's not really relevant what he calls his device. If he didn't before, he surely knows now that the term "perpetual motion" is the kiss of death as far as the Patent Office is concerned, so I'm sure he's careful not to use those words.
As for describing what a magnetic field is and how it works, I'll leave that to the theoretical physicists. I'm an engineer, and engineers do not deal with the theoretical but rather the physical effects which can be observed. It's observable that opposite poles of a magnet attract each other and like poles repel. It's observable that the current induced in a conductor observes the right-hand rule when the conductor passes through a magnetic field. And if Joe Newman's device actually produced more power than it consumed, the NBS would have observed that as well.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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