About: http://webisa.webdatacommons.org/130810470

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	Around the same time there was an article about a solar power aircraft that stayed aloft for several day/night cycles.
http://www.w3.org/ns/prov#wasQuotedFrom	designnews.com