J. Elter, J. Eiler: Aimed security control at Paks Nuclear Power Plant 2/2 Á. Hegyi, K. Ratter, P. D. Ispánovity, I. Groma: Investigation on deformations of micro size patterns K. Martinás, Á. Huller: Wake up! Black entropy is coming TEACHING PHYSICS N. Bokor: Paradoxon of twins and acceleration M. Jendrék: Visible sound, light which may be heard D. P. Kis, Cs. Sükösd: Report on the XIV. Leo Szilárd Contest in nuclear physics - Part I. K. Härtlein: Physical experiments to be performed at home EVENTS