About: http://webisa.webdatacommons.org/82419707

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	For a completely rough surface the angle of reflection will be completely random.This is important when demonstrating such things as how a room can be completely illuminated, even in the corners, by a ceiling light and/or windows.
http://www.w3.org/ns/prov#wasQuotedFrom	tabletscience.com