Colliding Electric-Currents, and also, Colliding Magnetic-Fields

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Colliding Magnetic-Fields 

Firstly,  it seems that the magnetic-fields  between 2  permanent-magnets,  could be dynamic( could move )  in certain circumstances .

It may be that the  2 magnets  would  have to be far enough from each other,  for their  magnetic-fields  to sometimes join up,  or collide,  depending on whether it is N-S,  or N-N .

The reason I am thinking this is because of  http://physics.aps.org/story/v9/st30

Now imagine a third magnet which is  levitated( just using permanent-magnet-levitation, which in itself is already perpetual-motion ),   that third magnet could be further propelled( given even more kinetic motion ) by the interaction of the two magnets mentioned above  .
( Visualize this,  using a similar( but not identical ) configuration,   using air-fans placed in a circle,  the air-flow pointing inwards into the center of the circle( or even, slightly offset from the center, possibly for more continuous rotation ),  and then you throw a very thin sheet like material,  like a plastic-bag,  into the center of the circle,  and it will remain in the center of the circle,  and will keep on moving .

And A Different Subject
   Trying to pulse a  permanent-magnet,  just by using  another  permanent-magnet.
        ( I can no longer find information about pulsing  permanent-magnets,  but I assume it is only possible by applying electric-current  to a   permanent-magnet )

    -  Imagine two plastic-hollow-pipes,  the two pipes are placed right next to each other,   one magnet is propelled inside pipe-1 to the right-direction,  and the other magnet is propelled inside pipe-2 to the left-direction,  ( it is two same-magnetic-poles( magnets ) facing each other, N facing N, or S facing S ).
           So,   as they pass each other in the middle-point of the pipes,  could that strong reaction cause the 2 magnets to  pulse-each-other,  normally,  you can only pulse a permanent-magnet using electricity ,  but,  magnets are also metal,   and one magnet,  could possible induce a strong enough brief current in another magnet to pulse it  ,  and when you electrically-pulse a magnet,  you multiply the strength of it's magnetic-field by many-many times .   
          If the magnets would be pulsed by that,  you should be able to detect it as a radio-signal.

          Also,  two magnets bouncing against each other using repulsion( without touching ),  could they possibly be inducing a small electric-current  in each other,  and,  as a result of the electric current,  could their  magnetic-field   increases  slightly ( like pulsing a magnet ),  a possible source of  free-energy( or not ) .
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    Colliding Electric-Currents

   I have always wondered if 2 DC-electric currents can collide( or, what happens ),  if they are sent in opposing directions along the same wire.   
   Originally, I read that only the current with the greatest strength will succeed in travelling along the wire.  ( I assume that the current theory  says the strongest current will win )
   But, I also read about situations in which  currents do often pass each other along the same wire while travelling in opposing directions .
   This is described in  http://www.ivorcatt.co.uk/x23k.htm ( on that page find "right through each other as in the case of EM waves in space"  )
   (  P.S. I'm guessing the above can happen because,   imagine the current as being a flock of birds,  so that 2 flocks of birds can fly through each other,  as long as there is enough space for them to do that,  or,  if the two currents are at different frequencies,  then one current gets through when the other current is not in the wire,  but I think the previous scenario is more probable )

    Could the interaction of 2 colliding electric-currents possibly produce more energy ( far-fetched I know ).
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   What about,  Colliding Electric-Fields ?