About: http://webisa.webdatacommons.org/429237633

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	Fixed to the inside surface of the enclosing sphere is a ring of electromagnetic coils and the interaction with the spinning magnet causes the generation of electricity.
http://www.w3.org/ns/prov#wasQuotedFrom	gizmag.com