About: http://webisa.webdatacommons.org/384671847

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	At small distances (femtometres) from a charged fundamental particle such as an electron, the electric field strength exceeds Schwinger???s threshold for spontaneous pair-production of virtual fermions in the vacuum.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com