About: http://webisa.webdatacommons.org/338231697

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	They took into consideration the rotational motion of the wing during the upstroke and downstroke, the shape of the wing, and whether two or four wings would be better.
http://www.w3.org/ns/prov#wasQuotedFrom	bu.edu