<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x442/54cb13b5929d7_-_muon-02-0613-de.jpg>
<http://www.popularmechanics.com/science/a9166/moving-a-25-million-magnet-without-moving-it-an-inch-15610395/>