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, ÃÛÌÇÖ±²¥ Wizards show titled "Lasers and Light." Henry Kapteyn and Margaret Murnane, physics professors at the University of ÃÛÌÇÖ±²¥ at Boulder, will present the show at 9:30 a.m. in Duane Physics, room G1B20. Murnane is one of five ÃÛÌÇÖ±²¥-Boulder faculty members who have received the MacArthur Fellowship or "genius grant."