We announce the recruitment of master student in the Sonata Bis National Science Centre project entitled "Searches for Mirror Matter as Dark Matter candidate in decays of the ortho-Positronium and precision QED test".

We offer a stipend for a master student in a polish institution to become one willing to participate in research projects in the Sonata Bis National Science Centre project entitled "Searches for Mirror Matter as Dark Matter candidate in decays of the ortho-Positronium and precision QED test" (details).