A. Patkós: Entropy, Planck, Universe P. Trampus: The safety of reactor vessels G. G. Barnaföldi, D. Varga: GEM - a new trend in the world of particle detectors K. Sós: The radioactivity of soil and the coating of roads Gy. Veszely: The surface charge on current-carrying objects and its external electrical field R. Oláh-Gál: J. Bolyai's longest manuscript dealing with physical problems D. Berényi: Results of fundamental significance in atomic physics OPINIONS Gy. Bencze: Knowledge as a base of society? TEACHING PHYSICS J. Jaloveczki: A two-day “Physics Show” for schools I. Eichhardt, J. Jaloveczki: Let's study physics the simplest way: using only a computer EVENTS