The system 1, further comprising circuitry configured to regulate {HEAD ~ current} of {TAIL ~ harnessed energy} 
The system 1 , further comprising circuitry configured to regulate { HEAD ~ current } of { TAIL ~ harnessed energy }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL