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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	Do suggest any improvement or modification that you would add to test whether Light is affected by the influence of electric or magnetidc field.Cheers.Hi They,It is perspex or acrylic sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	physorg.com