About: http://webisa.webdatacommons.org/409611201

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	This has been been confirmed experimentally so far for every force except gravity.
http://www.w3.org/ns/prov#wasQuotedFrom	berkeley.edu