A. Borbély: X-ray holotomographic studies on granular composites J. Jurcsik, B. Szeidl: Updating improvements on our 24 inch telescope and its measuring system J. Balázs: The first Hungarian exo-planet? J. Molnár, A. Fenyvesi: Developments supplementing the location system of the CMS muon detectors J. Tóth: Technology evolution by generations COMMEMORATIONS Zs. Smidéliusz, 1943-2003 (V. Fülöp) L. Dezső, 1914-2003 (A. Ludmány) G. Molnár, 1947-2004 (T. Belgya) RESEARCH INSTITUTES, EDUCATIONAL DEPARTMENTS K. Sailer: Department of Theoretical Physics at Debrecen University TEACHING PHYSICS P.A. Horváthy: The Rutherford scattering 47. Convention and Demonstration Equipment Exhibition of physics teachers at secondary schools, Miskolc, April 3-7, 2004 (A. Mester) OPINIONS PROBLEMS BOOKS