About: http://webisa.webdatacommons.org/430296889

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	is straining the meaning of words when you need between 1 and 2 orders of magnitude greater thickness than common materials such as lead or iron.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com