<http://schema.org/caption>
"Scanning electron microscope (SEM) image of a DWNT-polymer fiber which exhibits high strength and toughness. The inset shows a transmission electron microscope (TEM) image of a well ordered bundle of DWNTs which are the constituents that make up the macroscopic fibers (Image: Northwestern University)\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/new-nano-fiber-tougher-than-kevlar/17203/>