About: http://webisa.webdatacommons.org/178973364

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 AC voltage can set a membrane into motion at a desired frequency to generate an acoustic wave in a surrounding medium, such as gases or fluids.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com