About: http://webisa.webdatacommons.org/103990282

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	You might notice that really we need just one slit to demonstrate that light is a wave: we will still see diffraction, which is sufficient to demonstrate wave-ness.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com