it is a bit like, you know, if you're grandma tells you to wind will back onto the needle, if you keep going at the same direction at kind of falls apart. you have to wind it around so that the wool was on top of itself, and that is what we do with magnetic field lines. magnetic fields are like lines in space. we lay them on top of each other, in a way that is a bit like winding wool onto a ball of wool, and then what we have learned in this decade is how to add to that a little flow of the fuel and that flow of the fuel near the edge makes a very good insulating layer on the edge, and just managing that layer was what happened in the last few years, rather cleverly, by the jet team. i am so grateful you are using such simple