About: http://webisa.webdatacommons.org/129717323

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	Fibers have also been grown out of crystals such as sapphire, but attenuation in those (few dB per meter) was determined by scattering of their surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com