About: http://webisa.webdatacommons.org/282124099

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	For the purpose of illustration, light is drawn as one single line; in actual applications, however, the light is a beam having a finite width and a finite divergence angle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com