P. Nagy, P. Tasnádi: Parrondo's paradoxon – the miraculous result of mixing strategies Z. Elekes: The resistive foil chamber used as a fast neutron detector E. Nagy: CERN reminiscences P. Varga: On the measurements which led to the discovery of Planck's law – part 2 Z. Kővári: Half century of European Southern Observatory Zs. Horváth, B. Érdi: "Exoplanets" as a Physics topic of secondary school final exams – part II TEACHING PHYSICS L. Leitner: The second A. Szalay Memorial Physics Contest BOOKS EVENTS