Welcome to PSI, the largest research institute for natural and engineering sciences in Switzerland.
Recent highlights from our research
iLab and Synfuels at the Energy Days! at the Swiss Museum of Transport
October 18, 19, and 20, 2024
The iLab from the Paul Scherrer Institute will be part of the Energy Days with exciting workshops. Discover how we can store renewable energy using innovative technologies like Power-to-Gas and drive the energy transition forward.
Magnetism in thin layers: One electron makes the difference
An important step towards novel computer memory
Artificial intelligence explores the underground
The properties of geological units are determined using images of drill cores.
Topic cloud
Current upgrade projects and research initiatives
Together with industry to innovation
Fast as a plane, clean as a train
In a collaboration across Switzerland, researchers have evaluated the potential environmental impacts of so-called hyperloop systems.
Sustainable aviation fuel from the PSI campus
In collaboration with climate start-up Metafuels, a pilot plant for the production of sustainable aviation fuel is being set up on the PSI campus.
A new Fusion Collaboration
Munich-based Proxima Fusion and PSI have signed a framework agreement.
The people at PSI
Master of the flow
Even as a student, Athanasios Mokos was excited by the dynamics of fluids. Today at the Paul Scherrer Institute PSI, he models complex processes such as the formation of deposits on reactor fuel rods.
Cristina Müller
Developing and redesigning radiopharmaceuticals for tumour therapies
Favourite recipes from around the world
People from 64 nations work at PSI. Of course, they all bring their own culinary preferences with them.
PSI on social media
🌍⚡Erlebt an der Hellen Nacht 2024 live, wie die Bewohner von ESIVille den Umstieg auf erneuerbare Energien wagen. Helft den Bewohnern nach dem Blackout dank der am PSI betriebenen Forschung. Kommt…
After 22 years of brilliant science, at 8am on the 30th of September 2023, the SLS went into temporary 🛑 shutdown. As the SLS 2.0 upgrade progresses, PSI scientist Marianne Liebi looks forward to…
✨Unser Team im PSI Visitor Center freut sich bereits auf eueren Besuch an der Hellen Nacht am 2. November 2024. Es erwarten euch eine spannende Ausstellung rund um die Forschungsthemen des PSI. Um 14…
Do you like your #vegan #meat medium or rare? 🥩🌱 Ever wondered how plant-based meat alternatives get their delicious meat-like texture? It’s all thanks to a process called high-moisture extrusion…
We've reached a major milestone: the 10,000th macromolecular structure 🧬 solved at the Swiss Light Source SLS was released on 31 July 2024. 👏
💎 Many of the macromolecular structures solved at SLS…
#PeopleAtPSI: Meet Melvin Deubelbeiss, Silver Medallist at @worldskillslyon2024🏅
What does it take to be among the world’s best in electronics? For PSI’s Melvin Deubelbeiss, it’s a combination of…
As the 𝐒𝐋𝐒 𝟐.𝟎 𝐮𝐩𝐠𝐫𝐚𝐝𝐞 progresses, PSI scientist Maarten Nachtegaal shares his excitement about what this means for 𝐨𝐩𝐞𝐫𝐚𝐧𝐝𝐨 𝐗-𝐫𝐚𝐲 𝐬𝐩𝐞𝐜𝐭𝐫𝐨𝐬𝐜𝐨𝐩𝐲.
Operando X-ray spectroscopy allows complex chemical…
#5232, the magazine of the Paul Scherrer Institute, is out! ✨
In this issue, we explore how Sustainable Aviation Fuels (SAFs) could help achieve climate-neutral air traffic by 2050. 🌍✈️ PSI…
Die Rätsel der Proteine entschlüsseln: Der Nobelpreis für Chemie überrascht dieses Jahr in mehrfacher Hinsicht. Zum einen ist von den drei ausgezeichneten Wissenschaftlern nur einer, David Baker,…
Meet PSI researchers Davide Ferri and Filippo Buttignol, from the Applied Catalysis and Spectroscopy research group at PSI’s Centre for Energy and Environmental Sciences.
The two experts in…
Did you know that around 1 in 8 people around the world live with a mental illness? For this reason, it is important to take care of our mental health!
Today is #WorldMentalHealthDay, so let's…
#PeopleAtPSI 👋Meet physicist Athanasios Mokos from the Laboratory for Waste Management, part of the Nuclear Energy and Safety Division at PSI.
Athanasios Mokos models complex processes such as the…
Die Klasse 26Mz beschäftigte sich in der Schwerpunktfachwoche mit dem Thema «Legendäre Experimente der Physik». Dazu haben die Schülerinnen und Schüler nicht nur historisch bedeutsame Experimente an…
#ThrowbackThursday - The SLS 2.0 upgrade project progresses steadily towards completion in 2025.
Let's take a look back at the development of the Swiss Light Source SLS since its shutdown and how…
After 22 years of brilliant science, at 8am on the 30th of September 2023, the SLS went into temporary shutdown. 🌟 As the SLS 2.0 upgrade progresses, PSI beamline scientist Vincent Olieric tells us…
Thanks to the multifaceted research possibilities PSI Paul Scherrer Institut offers in one place, researchers are creating the basis for #computer memory #technology of the future: they can…
🌏 Uma das mais avançadas fontes de luz síncrotron do mundo e única no Brasil, o Sirius permite que pesquisadores de diversas áreas testem hipóteses sobre os mecanismos microscópicos dos materiais,…
Auch dieses Jahr fand wieder das ✨Lehrlingslager✨ des PSI statt. Mitte September sind die Lernenden in das idyllische Bergdorf Selma in Graubünden⛰️ gefahren und haben dort in einem gemütlichen…
Underground exploration is crucial for storing #nuclear #waste ⚛️ and CO2 ♻️, extracting resources and harnessing #geothermal energy, but it is often associated with high costs and lengthy processes…
#Hyperloop, a novel mode of transportation, presents a promising solution to an urgent need for fast, low-carbon, long-distance travel.
PSI Researchers Romain Sacchi and Christian Bauer in the …
Yesterday, Wednesday 18 September, we concluded our annual internal poster event, which brought together PhD students, Postdocs, tenure-track scientists, and senior researchers from the PSI Center…
After 22 years of brilliant science, at 8 am on the 30th of September 2023, the SLS went into temporary shutdown as the SLS 2.0 upgrade began. In the video series #ThankYouSLS, seven beamline…
Heading towards the finish line: we're bringing the concrete blocks 🧱 back into the #SwissLightSource #SLS!
For the upgrade of the electron storage ring of the #SLS, the blocks covering its roof…
🌟 🌠 The synthesis of elements heavier than iron within stars typically aligns well with theoretical models—except for one puzzling outlier: cerium-140.
An international team of scientists, including…
🎓 Lehrabschlussfeier 2024 🎓
29 junge Menschen haben diesen Sommer ihre Lehre am PSI erfolgreich abgeschlossen – diesen Anlass haben wir am 16. August gemeinsam mit ihnen und ihren Eltern gefeiert…
PSI in numbers
2300
Employees at PSI are working on the world of tomorrow.
5
PSI operates five particle accelerator-based large research facilities.
64
In a total of 64 centres, labs and groups, we conduct research into pressing societal issues.
3000
Every year, around 3000 researchers from all over the world carry out experiments at our facilities.