About: http://webisa.webdatacommons.org/81337720

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	Eyeballing the images (I am not at home right now and thus lack access to proper image processing software), I would say the ball in test 101 spins around 15 degrees +/- N*180 degrees per strobe flash, where N is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	automags.org