How a Black Light Works . This is a 5-page paper in MLA style that explains the uses, price, size and techniques involved in the workings of a Black Light. Black lights are UV rays that fascinate the young due to their fluorescent qualities and mystic effect. 5 pgs. Bibliography lists 5 sources. Pages: 5 Bibliography: 5 source(s) listed Filename: 4705 Black Light Works.doc Price: 44.75