About: http://webisa.webdatacommons.org/215633758

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 switch could also be used as a photon detector: If a photon has struck the atoms, light will not pass through the cavity, which means there is a device that can detect a photon without destroying it, which does not exist today.
http://www.w3.org/ns/prov#wasQuotedFrom	xbitlabs.com