look at video showing ferrofluid spikes moving on outside of coil spring at about 7:22 time
MIT currently researching body armor with ferrofluid in tubes changing the magnetic field around ferrofluid induces changing viscosity
even approaching solid magnetic pistons of ferrofluid in tube by magnetic accelerator ie linear magnetic pump see EPG2 by sSan
EFH-1 has a low magnetic susceptibility but faster velocities would be possible because of lower viscosity
the B500 pump can pump 500 gph but at the reported velocity of 50 ips under 200 gph is all that is required
it is the movement of the core of this single sided transformer that is moving and creating the moving magnetic field ( as in the mag gas systems as well) wand not the pulsating
magnetic field induced by a primary winding
thank g for the pic but I have doubts about it where did your get it?