Superconductivity / сверхпроводимость

Superconductivity. Experiments with liquid nitrogen ( temperature -196 degrees Celsius) Superconducting layer - ceramics YBaCuO magnet (neodymium) . The experiments were conducted in MIPT in the framework of the contest “Professional skills of physics teacher“ on July 12, 2019. How do You explain the phenomenon of superconductivity? Friends! Write Your comments! With respect Yuri Kovalenok Сверхпроводимость. Эксперименты с жидким азотом ( температура -196 градусов по шкале Цельсия) Сверхпроводящ