About: http://webisa.webdatacommons.org/216240496

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	Shockwaves, such as a sonic boom caused by when an aircraft breaks the sound barrier, are formed when certain terms in the equations describing them
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com