About: http://webisa.webdatacommons.org/91693574

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	Given the formula: (frequency) = (speed of light)/(wavelength) two implications are conceivable...There is a third.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsworld.com