About: http://webisa.webdatacommons.org/217237792

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	Doppler shift itself, though not easily visible to the unaided eye, is in widespread use in airport radar for air traffic control, on streets and highways in vehicle traffic speed regulation, and other purposes.
http://www.w3.org/ns/prov#wasQuotedFrom	mglewis.info