About: http://webisa.webdatacommons.org/291950946

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	However, in the quantum erasure experiment there is a crystal directly behind the double-slit apparatus which splits the photon into two entangled, lower-energy photons.
http://www.w3.org/ns/prov#wasQuotedFrom	noetic.org