<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/640x320/54cfd1fc819d1_-_nano-indycar-01-de.jpg>
<http://www.popularmechanics.com/technology/design/a7556/advanced-3d-printer-creates-nano-indycar-7358796/>