About: http://webisa.webdatacommons.org/196589040

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	In July, researchers who poked the single-atom-thick carbon sheets with the tip of an atomic force microscope confirmed that graphene is the strongest material ever tested.
http://www.w3.org/ns/prov#wasQuotedFrom	multibriefs.com