The origin of light will be explained through a number of experiments, and will use lasers to drill through materials, during the Saturday, May 25, CU Wizards show titled "Lasers and Light." Henry Kapteyn and Margaret Murnane, physics professors at the University of Colorado at ºù«ÍÞÊÓƵ, will present the show at 9:30 a.m. in Duane Physics, room G1B20. Murnane is one of five CU-ºù«ÍÞÊÓƵ faculty members who have received the MacArthur Fellowship or "genius grant."