PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Indeed; the RTGs (Radioisotope Thermal Generators) have been successfully used for many years now. (Plutonium, even in combined form such as the oxide that is used here, is active enough to keep itself rather warm if properly insulated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • damninteresting.com