About: http://webisa.webdatacommons.org/175299463

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	Light, such as comes from a laser, carries a rapidly varying electric field that oscillates at its frequency.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu