Superconductivity has long been treated as one of physics’ cleanest phase transitions: cool a material past a critical temperature and its electrical resistance collapses to exactly zero, a threshold as sharp and unambiguous as ice forming at zero Celsius. That...
Superconductivity represents one of the most consequential quantum phenomena ever harnessed by engineering, allowing electrons to flow without resistance and enabling technologies from MRI machines to maglev trains. Yet the holy grail of the field—a material that...
