About: http://webisa.webdatacommons.org/159277909

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	The particles are in Brownian motion in most kinds of liquid and gas colloids, which causes the movement of the spots.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org