About: http://webisa.webdatacommons.org/89123112

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	A perpetual motion machine is a machine that violates the laws of physics, by never having any waste heat. basically, its a machine that once started will never stop.
http://www.w3.org/ns/prov#wasQuotedFrom	compsci.ca