filamentous carbon
... that filamentous carbon, a form of carbon containing carbon nanotubes, nanofibers, and microcoils, was discovered in 1890?
... that <b id="mwCS4"><a href="./Filamentous_carbon" id="mwCS8" rel="mw:WikiLink" title="Filamentous carbon">filamentous carbon</a></b>, a form of carbon containing carbon nanotubes, nanofibers, and microcoils, was discovered in 1890?