
The advent of low temperature superconductors in the early 1960's converted what had been a laboratory curiosity with very limited possibilities to a prac- tical means of fabricating electrical components and devices with lossless con- ductors. Using liquid helium as a coolant,...

The advent of low temperature superconductors in the early 1960's converted what had been a laboratory curiosity with very limited possibilities to a prac- tical means of fabricating electrical components and devices with lossless con- ductors. Using liquid helium as a coolant,...