PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ambiguous results of early double slit experiments (the first on record was in 1801) were not resolved until well into the 20th century, when it became clear from both experiment and the theory of quantum mechanics that light is both waves and particles ??? moreover, that particles, including electrons, also have a wave nature.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com