and it takes weeks to power them down too, else you get the dreaded quench... http://en.wikipedia.org/wiki/Superconducting_magnet#Magnet_quench http://en.wikip

and it takes weeks to power them down too, else you get the dreaded quench... http://en.wikipedia.org/wiki/Superconducting_magnet#Magnet_quench http://en.wikipedia.org/wiki/Superconducting_magnet#Magnet_q...