About: http://webisa.webdatacommons.org/279644996

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	Red arrows denote the electric field of ?? and black lines are a guide for the eyes.
http://www.w3.org/ns/prov#wasQuotedFrom	osapublishing.org