] Such scientific conundrums are of only passing interest ] at Superpower, a four-year-old subsidiary of ] Intermagnetics General, and at other companies like it. ] After years of false starts and setbacks, these companies ] say they are closing in on the goal of producing ] relatively inexpensive superconducting wire for power ] generators, transformers and transmission lines. The Biggest Jolt to Power Since Franklin Flew His Kite |