Superconductors do produce super currents, that's actually one of their defining characteristics. When a material becomes superconductive, it loses all electrical resistance, which allows for the flow of electric currents with no energy loss. This phenomenon is known as superconductivity. Superconductors are used in various applications, such as magnetic resonance imaging (MRI) machines, particle accelerators, and high-speed trains, where the ability to conduct electricity with no resistance is crucial.