About: http://webisa.webdatacommons.org/168207904

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	Air is a good insulator, aluminium is a good conductor but wrap a bar magnet in cooking foil and it still picks a pin, the magnetic field passes through both.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org