About: http://webisa.webdatacommons.org/289110749

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	April 28, 2010 Alan ??? the problem isn???t that rockets are the best technology ??? we can conceive of some Casimir-effect propulsion system, or solar sails, or zero-point.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com