> is wikipedia
>
> Earnshaw's theorem proves that using only static ferromagnetism it is 
> impossible to stably levitate against gravity, but servomechanisms, the 
> use of diamagnetic materials, superconduction, or systems involving eddy 
> currents permit this to occur.

intuityviai kazkaip svietesi, kad gali buti neimanoma teoriskai, bet 
nedaieskojau info.. Aciu labai. Apsieisiu su "zylka" :)