i looked at the batteries and said, ok, these things are weird and complicated. What if we took a couple of 12 volt motorcycle batteries and wired them up to one of these connectors? Would that work? And a couple of ucranian engineers hum and you now got out napkins and drew on the back of it and said, yes, that should work. We built a prototype with alligator clips and some broken computer parts. So they said, alright, we got a three nea printer. We're going to make some of these things and see if these will work,. Based on a des n from emetic from alaska and some really impressive work by ucran