About: http://webisa.webdatacommons.org/296774530

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	Promponents of some quantum theories for gravity believed that there would be very slight variations in speed related to frequency -- these observations show that if there is a variation it must be very slight.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net