Gorazd PlaninsicGorazd Planinsic is a Professor of Physics at the University of Ljubljana, Slovenia. He has a PhD in physics from the University of Ljubljana. Professor Planinsic is co-author of more than 20 popular science articles, and a co-author ofCollege Physic: Explore and Apply and the Active Learning Guide. He is a recipient of the GIREP medal for his contributions in Physics Education and he is a fellow of IOP. Read More Read Less