Frontpage of the Paul Scherrer Institut (PSI)

Ultrafast control of quantum materials

Using light to fundamentally change the properties of solids

New active agent against parasites

PSI researchers identify potential active agent against several unicellular parasites – including the pathogens that cause malaria and toxoplasmosis.

The link between theory and experiment

Without fundamental constants there is no physics.

3D view: the Swiss Spallation Neutron Source SINQ

What are neutron guides and what is liquid deuterium used for at SINQ? Our 3D graphic of the Swiss neutron spallation source SINQ provides insights.

The Paul Scherrer Institute, PSI, is the largest research institute for natural and engineering sciences within Switzerland.
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The Paul Scherrer Institute

The Paul Scherrer Institute PSI is a research institute for natural and engineering sciences, 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 the major challenges facing society, science and the economy.

Learn more about the Paul Scherrer Institute