P. Varga: On the measurements which led to the discovery of Planck's law – part 3 Á. Kereszturi: The physics of water on Mars TEACHING PHYSICS Á. Tichy-Rács: The solemn proclamation of the 2012 Eötvös-competition results T. Stonawski: "Safe" collisions Z. Pál: Our water jet rocket and the experiments we used to perform with it J. Varga: Einstein on the bicycle – a physicist's analysis of the picture L. Boros: Stamps and teaching physics PSEUDO-PHYSICAL REVIEW L. Füstöss: The X. Conference of Budapest Scepticists OPINIONS G. Bencze: Oppenheimer and nuclear physics EVENTS