M. Molnár: Carbon and time: ¹⁴C dating I. Pozsgai: Microscopy and local analysis G.I. Márk: A wave packet's adventures in the tunnel microscope TEACHING PHYSICS P. Simon: Three problems concerning centre of mass M. Molnár, Zs. Farkas: Optical measurements with CDs M. Kovács (1916-2006), physics professor in the Piarists' gymnasium (L. Görbe ) J. Vida: “Magic Tower": a new scientific play facility in the Lyceum of Eger (N. Hungary) OPINIONS A. Tóth: The two-level final examination system at Hungarian secondary schools and the new admission rules as viewed by a Technical University professor TENDERS EVENTS BOOKS SCIENCE IN BITS FOR THE SCHOOL Quantum information (T. Geszti )