sodium tungsten bronze
... that not only can sodium tungsten bronze conduct electricity like a semiconductor or a metal, but it can also superconduct?
... that not only can <b id="mwEDY"><a href="./Sodium_tungsten_bronze" id="mwEDc" rel="mw:WikiLink" title="Sodium tungsten bronze">sodium tungsten bronze</a></b> conduct electricity like a <a href="./Semiconductor" id="mwEDg" rel="mw:WikiLink" title="Semiconductor">semiconductor</a> or a <a href="./Metal" id="mwEDk" rel="mw:WikiLink" title="Metal">metal</a>, but it can also <a class="mw-redirect" href="./Superconductor" id="mwEDo" rel="mw:WikiLink" title="Superconductor">superconduct</a>?