About: http://webisa.webdatacommons.org/36798427

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	FIG. 2 is a cross-section of a spherical Luneberg lens illustrating how light emanating from a point source on one hemisphere propagates through the sphere and emerges as parallel rays at the opposite hemisphere.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es