About: http://webisa.webdatacommons.org/342147568

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	If your surface were a perfect plane it would have the same charge density everywhere.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com