P. Mezei, T. Cserfalvi: Gas discharge analytical methods and their use in environment protection J. Vinkó: Measuringdistances by supernovas: facts and riddles A.A. Koós: Selective gas detectors using carbon nanotubes M. Hargittai: A talk with Valentine Telegdi J. Németh: Hans A. Bethe, pioneer in nuclear physics and nuclear astrophysics TEACHING PHYSICS K. Radnóti: The Copernican decisive change J. Nyerges: Globe at Night - the Hungarian participation in survey data acquisition K. Raics: An easy way of getting acquainted with radioactivity DOCUMENTS OPINIONS A fake product of the power crisis (L. Füstöss ) T. Tél: Secondary school's final examination of raised level TENDERS EVENTS BOOKS SCIENCE IN BITS FOR THE SCHOOL The peculiarities of the glass-like state (T. Temesvári )