Superconductivity wani al'amari ne wanda wasu kayan aiki ke nuna juriyar wutar lantarki da korar filayen maganadisu lokacin da aka sanyaya ƙasa da wani yanayi mai mahimmanci. A wasu kalmomi, superconductivity shine ikon wani abu don gudanar da wutar lantarki ba tare da asarar makamashi ba saboda juriya. Masanin kimiyyar lissafi dan kasar Holland Heike Kamerlingh Onnes ne ya fara gano wannan lamari a shekarar 1911. Superconductivity yana da aikace-aikace masu amfani da yawa a fannoni kamar na'urorin lantarki, samar da wutar lantarki da watsawa, hoton likitanci, da ƙararrawa accelerators.