Scientists set a new world record for the highest-temperature superconductor operating at normal atmospheric pressure. The breakthrough ends a 33-year-old record which could help study superconductors and accelerate research. Scientists set a new world record for the highest-temperature superconductor operating at normal atmospheric pressure. The breakthrough ends a 33-year-old record which could help study superconductors and accelerate research. 33-year-old superconduct... [510 chars]