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Paul Scherrer Institute

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Paul Scherrer Institute
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Paul Scherrer Institute, Swiss federal research institute

The Paul Scherrer Institute is a large research facility in Würenlingen focused on natural and engineering sciences. It houses extensive laboratories and specialized machines, including accelerators, X-ray lasers, and neutron sources that draw scientists from around the world.

The institute was established in 1988 when two older research institutes merged, both originally focused on nuclear energy and nuclear physics. Since then, the research focus has broadened to materials science, medicine, energy, and environmental sciences.

The institute bears the name of Swiss physicist Paul Scherrer, reflecting his passion for research. The buildings and facilities show the international community of scientists who come together here to explore questions about nature and matter.

The campus offers guided tours and special open days for visitors to gain insight into ongoing research activities. The facility is calm and well-organized, with signage in multiple languages that helps guests and international researchers find their way around.

The institute has operated a proton beam treatment center since 1984 that has treated thousands of patients with high-precision technology. This medical application of research technology shows how basic research directly flows into therapeutic solutions.

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Location
Inception
1988
Address
PSI, PSI CH, Forschungsstrasse 111, 5232 Villigen, Switzerland
Opening Hours
Monday-Friday 08:00-17:00
Phone
Website
GPS coordinates
47.53611,8.22278
Latest update
February 7, 2026 09:30
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