About: http://webisa.webdatacommons.org/162328451

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	People used to think that since light was a wave there had to be some [em]thing[/em] that was vibrating (like the violin string), and thus the search for luminiferous ether.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com