About: http://webisa.webdatacommons.org/297483370

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	Though extremely thin, graphene is the strongest material ever made (two hundred times stronger than structural steel).
http://www.w3.org/ns/prov#wasQuotedFrom	solarfeeds.com