Comment: Power storage, and power transfer. (Score 1) 262
storage: if there is no loss, can you make a ring of superconductor material, and start feeding dc power into that ring letting it spin around and around the hoop... feeding it more and more... then letting it sit till you need it, at which point you tap in and pull it out... theoretically this ring could hold a HELL of a lot of electricity.
transfer... most of the power from an electrical generation station, nuclear, hydro, coal, whatever... is lost in the wires getting it to where its needed... if the wiring had no loss, our current infrastructure would have at least twice the power available to do work.