question: What do you call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission?
distractor3: super-insulators
distractor1: poor conductors
distractor2: electromagnets
correct_answer: superconductors
support: Many chemists are currently working in the field of superconductivity. Superconductors are materials that are able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission, as happens with conventional conducting materials like copper cable. The challenge is to design materials that can act as superconductors at normal temperatures, as opposed to only being able to superconduct at very low temperatures.