About: http://webisa.webdatacommons.org/1196768

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	As far as I understand it it is harder to program a sphere because computer graphics shapes are built up from triangles and other flat shapes and thus it is difficult to create a sphere without using lots and lots of small flat shapes
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com