Can always count on you for a fantastic reply Jeremy. Thank you. Indeed, the more I think on it the more difficult the edge cases seem, I hadn't even gotten to

Can always count on you for a fantastic reply Jeremy. Thank you. Indeed, the more I think on it the more difficult the edge cases seem, I hadn't even gotten to the power out thing, although from thinking on the spinning cube conversations in this thread[1], I had thought about magnets as a failsafe mechanism, but at that point.... "The fact that a 2-track-train can just sit there for extended periods of time with no power is one of those advantages you don't even think about until you try to take it away." <- This heh. [1] https://news.ycombinator.com/item?id=39336139 https://news.ycombinator.com/item?id=39336139