About: http://webisa.webdatacommons.org/205213001

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	I think one commenter above got it right - bullets.People have also seen this many times in films, especially in slow motion.Imagine your target is a bullet inside which is an unknown crystal.
http://www.w3.org/ns/prov#wasQuotedFrom	science20.com