( Superconductors ( ( are ( materials ( that ( can ( ( transmit electricity ) ( with ( ( ( virtually no ) ( energy losses ) ) ( due ( to resistance ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Superconductors)) (VP (VBP are) (NP (NP (NNS materials)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB transmit) (NP (NN electricity)) (PP (IN with) (NP (NP (ADJP (RB virtually) (DT no)) (NN energy) (NNS losses)) (ADJP (JJ due) (PP (TO to) (NP (NN resistance)))))))))))) (. .)))
Superconductors are materials that can transmit electricity with virtually no energy losses due to resistance.
(ROOT (S (NP (PRP You)) (VP (VBP call) (S (NP (NNS materials)) (ADJP (JJ able) (S (VP (TO to) (VP (VB conduct) (NP (NN electricity)) (PP (IN with) (NP (ADJP (CD 100) (NN %)) (NN efficiency))) (, ,) (S (VP (VBG meaning) (SBAR (IN that) (S (NP (DT no) (NN energy)) (VP (VBZ is) (VP (VBN lost) (PP (IN during) (NP (NP (DT the) (JJ electrical) (NN transmission)) (, ,) (NP (NNS superconductors)))))))))))))))) (. .)))
You call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission, superconductors.