From wikipedia: "In a conventional superconductor, the electronic fluid cannot be resolved into individual electrons. Instead, it consists of bound pairs of electrons known as Cooper pairs.... The Cooper pair fluid is thus a superfluid, meaning it can flow without energy dissipation." http://en.wikipedia.org/wiki/Superconductivity#Zero_electric... So a new kind of magnetism that lets electrons flow like a liquid might be very useful to develop new superconductors.