About: http://webisa.webdatacommons.org/83434493

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	Actually, to expand a little: the implication of your question is a good example of how the myth of everybody immediately said that time travel will be possible sprang immediately into being.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com