About: http://webisa.webdatacommons.org/207124375

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	Some scientists entertain the theory of time travel but many, including Stephen Hawking, think that the laws of physics prevent it.
http://www.w3.org/ns/prov#wasQuotedFrom	toptenz.net