<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb1abbe157c_-_backyard-genius-2013-04-0813-lgn.jpg>
<http://www.popularmechanics.com/technology/g1278/backyard-genius-2013-8-unusual-unconventional-utterly-awesome-inventions/>