<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb62ce03728_-_maker-faire-05-0512-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/g1735/the-craziest-builds-from-maker-faire-2012/>