About: http://webisa.webdatacommons.org/140215918

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	Only relativity, for example, produces such exotica as black holes.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com