Editor-in-chief's preface to the present topical (power plant) issue Z. Szatmáry: The recent serious accident at the Paks Nuclear Power Plant I. Vidovszky: Advantages and risks of nuclear energy. Hungarian Atomic Energy Office: Press report on Paks accident International Atomic Energy Agency: Press statement Sz. Török, J. Osán, P. Zombori: An assessment of the damages to the Environment due to fossil and nuclear power plant activities in Hungary A. Tóth: Problems of the laying up inactivated atomic submarines of the Russian Northern Fleet Paul Greguss 1921-2003 (A. Illényi) OPINIONS P. Raics: Paks-physics-education-society DOCUMENTS Á. Nagy: Nuclear power plants and EU-association TEACHING PHYSICS Cs. Sükösd: VIth Leo Szilárd Competition Announcing the 2003/2004 Leo Szilárd Competition BOOKS EVENTS