More about superconductors. The basics, experiments, suppliers, safety, etc.
MODERN ELECTRONICS [2] Apr 1990 (v.7#4) pg. 62
Experimenting with superconductors in liquid nitrogen.
RADIO-ELECTRONICS Feb 1988 (v.59#2) pg. 73
Correction RADIO-ELECTRONICS Apr 1988 (v.59#4) pg. 14
Superconductors. Experimenting with a new kind of ceramic superconductor that is cooled with inexpensive liquid nitrogen.
SCIENCE PROBE! Nov 1990 (v.1#1) pg. 69