About: http://webisa.webdatacommons.org/89981654

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	One of my favorites, though, was a device that was able to shoot out rings of smoke that traveled in a straight line for 10 to 30 feet, exploiting a recently commercialized aerodynamic effect.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com