<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caa54379703_-_bots_06_0610-lg-95442779.jpg>
<http://www.popularmechanics.com/technology/robots/g283/autonomous-robots-power-themselves/>