About: http://webisa.webdatacommons.org/415336752

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	To test the fact that butane is heavier than air all you need is a cup and a lighter.
http://www.w3.org/ns/prov#wasQuotedFrom	godlikeproductions.com