About: http://webisa.webdatacommons.org/225891037

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	There is a video clip (also found here) on their home page showing a lab test of a VASIMR prototype.As many people have said, predictions are difficult to make, especially about the future.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com