About: http://webisa.webdatacommons.org/50900589

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	The refractive index of a middle region between the two interfaces is the smallest among those of the three regions making up the light director.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au