The Paul Scherrer Institute PSI is the largest research institute for natural and engineering sciences in Switzerland, conducting cutting-edge research in the fields of matter and materials, energy and the environment and human health. By performing fundamental and applied research, we work on sustainable solutions for major challenges facing society, science and economy.
PSI develops, builds and operates complex large-scale research infrastructures, which are available to the national and international research community based on scientific excellence. All of these facilities are unique in Switzerland and some are unique in the world. PSI is the only place in the world where this combination of research infrastructures is found on one campus: