About: http://webisa.webdatacommons.org/209125399

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	The E and B fields are a 90 degrees to each other and are perpendicular to the direction of motion.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com