My understanding is that they do use such magnets for microgravity experiments. Here is a cool video on diamagnetic levitation from the University of Nottingha

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 http://www.youtube.com/watch?v=Nod54HFkH0o