About: http://webisa.webdatacommons.org/412829127

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	Well, it turns out that magnetic fields are used in all kinds of things, like circuits, motors, compasses, and MRI equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencebuddies.org