very interesting stuff!
reminded me of this video I saw a few months back from lasersaber
YouTube - ‪Working A-F-P "Dr Lirpa Sloof" technology exposed!‬‏
I was just given most of an old comp that has a few toroid coils in it I can salvage, might take one out and see what I can do with it, just to have something to mess around with.
thanks for sharing, pretty interesting idea!