> what would keep these mag-lev cabins in place? I'd give the engineers a bit more credit to think about such a scenario. I guess the real advantage here is y

> what would keep these mag-lev cabins in place? I'd give the engineers a bit more credit to think about such a scenario. I guess the real advantage here is you no longer need one lift per shaft - just dedicate a shaft as "up" or "down" and have lift cabins switch as needed.