About: http://webisa.webdatacommons.org/69488418

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	gratings, scientists were able to observe patterns that could only be produced if light was a wave.
http://www.w3.org/ns/prov#wasQuotedFrom	medium.com