Welcome to PSI, the largest research institute for natural and engineering sciences in Switzerland.
Recent highlights from our research
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Cooling without pumps: New measurement data for modular reactors
In an international collaboration, researchers at PSI have, for the first time, collected high-resolution measurement data from passive cooling systems for small modular nuclear reactors – an important basis for developing future generations of reactors.
Wind energy and scenic landscapes: balancing beauty and power through better planning
Researchers at the Paul Scherrer Institute PSI and ETH Zurich have drawn up the first Europe-wide map of landscape quality and highlighted where wind energy and landscape protection overlap.
LEAPS AISBL inaugurated in Brussels as formal legal entity
Europe’s leading photon science facilities enter a new phase of strategic coordination.
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Current upgrade projects and research initiatives
Together with industry to innovation
PSI and NUKEM Sign Memorandum of Understanding
The Paul Scherrer Institute PSI and NUKEM Technologies Engineering Services GmbH (NUKEM) have signed a Memorandum of Understanding (MoU) to establish a close research and development collaboration focused on advanced nuclear fuel and reactor technologies.
PSI Founder Fellowship for AI platform and solid-state batteries
PSI researchers Mohsen Sadr and Mohammadhossein Montazerian are receiving financial support and guidance for their business ideas through the PSI technology transfer team.
Swiss PIC technology transfer centre is inaugurated
Jointly founded by scientific and industrial partners with PSI researchers: the Swiss Photonics Integration Center celebrated its inauguration on 24 November 2025.
The people at PSI
Where analysis meets flavours
Some see brewing as an art, others as a science – Luc Van Loon combines both these virtues at his brewery. With the nose of a sommelier and the precision of a chemist, the former PSI researcher creates world-class beers.
Engineering skill and perseverance
Credit for the on-time completion of the major SLS 2.0 upgrade project is due in part to a team of dedicated electrical engineers.
PSI’s cement whisperer
John Provis has dedicated his research career to a building material that is far more exciting than you might think.