About: http://webisa.webdatacommons.org/451031984

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	Magnetism is a force - and like mechanical force, the force of gravity, and electromotive force - it is invisible.
http://www.w3.org/ns/prov#wasQuotedFrom	rfcafe.com