<http://schema.org/caption>
"Using a US$40 needle, the scientists created a 3D microscope capable of creating images with a resolution of around one micron (Photo: Ganghun Kim, University of Utah)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/scientists-needle-high-quality-3d-microscope/33359/>