[tokenizer]

Thanks. Good point on the trains, completely missed that.

I guess levitating a live frog seems more interesting to me however. To be able to use magnetics to simulate gravity for humans safely, is IMO, a huge barrier (of many) to space travel/living one day.

[jlgreco]

My understanding is that they do use such magnets for microgravity experiments. Here is a cool video on diamagnetic levitation from the University of Nottingham: http://www.youtube.com/watch?v=Nod54HFkH0o