Gorazd Planini received his B.S. and Ph.D. from the University of Ljubljana, Slovenia. Since 2000 he has been leading undergraduate and postgraduate physics education courses at the Department of Physics, University of Ljubljana, and Continuing Education program for in-service secondary school physics teachers in Slovenia. His research interests are magnetic resonance imaging and development and didactical use of experiments. He is co-founder and collaborator of the Slovenian hands-on science center The House of Experiments.Department of Physics, Faculty for Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia and The House of Experiments; gorazd.planinsic@fiz.uni-lj.si