About: http://webisa.webdatacommons.org/240932310

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	But materials such as iron and cobalt have an unequal numbers of electron spins and thus are magnetic.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org