Well I imagine it isn't optimized for readability :) If the point is to have a jillion of electrons, each at the right time and place (for the observer), I ass

Well I imagine it isn't optimized for readability :) If the point is to have a jillion of electrons, each at the right time and place (for the observer), I assume a rather complicated mechanism must have been put in place to "tie the knot" just right - I mean to "navigate" the time-travelling electron just so it never fails to appear wherever, whenever it's expected.