Another set of embodiments utilizes {HEAD ~ memory storage media} capable of {TAIL ~ confining propagating waves} in order to implement the memory devices 
Another set of embodiments utilizes { HEAD ~ memory storage media } capable of { TAIL ~ confining propagating waves } in order to implement the memory devices
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH