Bienvenue au PSI, le plus grand institut de recherche en sciences naturelles et en sciences de l’ingénierie de Suisse.
Actualités de notre recherche
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Du zinc détecté dans des seringues obstruées
Pour l'entreprise pharmaceutique MSD, ANAXAM a étudié, avec l'aide de scientifiques du PSI, si le zinc pouvait contribuer à l'obstruction des seringues préremplies.
Peering into matter with ultrashort X-ray ripples
An all-X-ray transient grating experiment allows scientists to study the dynamics of quantum particles at the nanoscale.
Conseil en technologie de pointe
Stephanie Smit, ancienne doctorante au PSI, travaille comme ingénieur-conseil en propriété industrielle pour une société qui compte parmi les plus importantes au monde. Celle-ci construit en effet des machines qui valent une fortune et sont très recherchées.
Nuage de thèmes
Projets de mise à niveau actuels et initiatives de recherche
Ensemble avec l’industrie vers l’innovation
Inauguration du centre d’excellence de l’ESA en Suisse
L’inauguration solennelle du Centre européen d’innovation en deep tech spatiale (ESDI) a réuni des invités de haut vol.
Un incroyable succès
Araris Biotech AG, spin-off du PSI, obtient une valorisation au niveau «licorne»
L’ESA débarque en Suisse
La signature d’un contrat entre l’Agence spatiale européenne (ESA) et le PSI marque le lancement de l’European Space Deep-Tech Innovation Centre ESDI.
Les personnes au PSI
Etablir les schémas de connexions du cerveau
Comprendre la maladie d’Alzheimer grâce aux schémas de connexions du cerveau.
Bloc-notes, crayon et algorithmes
Dominik Sidler, physicien au PSI, développe des théories fondamentales pour des phénomènes restés inexpliqués à ce jour.
Souder sur une grande scène
Ceux qui grimpent sur ce podium font partie des meilleurs talents professionnels du monde. Melvin Deubelbeiss, électronicien au PSI, a remporté la médaille d’argent aux WorldSkills 2024.
Travailler au PSI
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Le PSI dans les réseaux sociaux
ようこそ、PSIへ！ — Herzlich willkommen am PSI! 🇯🇵✨🇨🇭
Am 14. August empfing das PSI iLab 15 Jugendliche aus Japan 🇯🇵🌸, die gemeinsam das PSI und das Zwischenlager Zwilag besuchten.
Die Reise wurde von…
We’ve cut the ribbon! 🎉The Swiss Light Source SLS is officially inaugurated!
Yesterday, Thursday 21 August, PSI welcomed around 150 guests from politics, business and science to celebrate the…
📅 -1 day to the inauguration of the upgrade of the SLS
Up to 1000x greater brilliance – the X-ray light from SLS is brighter, more focused, and better collimated than ever before. This leap in…
📅 -2 days to the inauguration of the upgrade of the SLS
40x lower electron emittance — that’s the result of redesigning the SLS storage ring with more, smaller magnets and innovative undulators.
…
📅 -3 days to the inauguration of the upgrade of the SLS
🌞 33% less electricity consumption — thanks to SLS 2.0!
The upgrade doesn’t just bring an enormous increased performance — it also brings…
📅 -4 days to the inauguration of the upgrade of the SLS
🧲 1,000+ high-precision magnet systems for a brighter beam!
The upgraded Swiss Light Source features a new, innovative magnet…
📅 -5 days to the inauguration of the upgrade of the SLS
500 vacuum chambers - that’s what it takes to keep electrons circulating in the upgraded 288-meter-long Swiss Light Source ring.
Each…
📅 -6 days to the inauguration of the upgrade of the SLS
4,000 tonnes of concrete — that’s what had to be removed to access the SLS storage ring for the SLS 2.0 upgrade.
This major modernization…
Tag der offenen Tür in der Kita Nanolino
Am 13.09.2025 öffnen wir unsere Türen für alle interessierten Familien, Fachpersonen und alle, die unsere Kita einmal näher kennenlernen möchten!
Zwischen…
🚀 Ready, Set, Go! – Der Startschuss für unsere neuen Lernenden & Praktikant*innen 🎉
Am 4. August war es soweit: 24 motivierte Jugendliche haben ihre Reise am PSI begonnen! 💥
Wir freuen uns…
🐬 Silently roaming the deep sea – 183 million years ago. An exceptionally well-preserved #fossil of an #ichthyosaur sheds light on the hunting strategy of this prehistoric marine predator. High…
The quantum revolution is just beginning. ✨ In 2025 — the UNESCO @International Year of Quantum Science & Technology and a century after the first quantum breakthroughs — we are entering a new era…
Rare disease, new insights:
A recent study at the Paul Scherrer Institute PSI reveals how genetic mutations can alter the fine internal structure of tiny cell projections known as cilia. This makes…
The quantum revolution is just beginning. As 2025, the UNESCO @International Year of Quantum Science and Technology, marks a century of breakthroughs, we asked our expert Cornelius Hempel, Group Head…
💡 Zinc detected in clogged pre-filled syringes
Employees of the technology transfer centre ANAXAM and researchers at the Paul Scherrer Institute PSI have been able to show, using the unique…
🇨🇭 Happy B-day, Switzerland! 🎂🎈 Alles Gueti zum Geburi, Schwiiz! 🎉🇨🇭
Sunrise over #VilligenValley – not a bad way to start August 1st, right? 🌄✨ How are you celebrating today — grill, hike, or beam…
The quantum revolution is just beginning. ✨ In 2025 — the UNESCO @International Year of Quantum Science & Technology and a century after the first quantum breakthroughs — we are entering a new era…
The quantum revolution is just beginning. ✨ In 2025 — the UNESCO @International Year of Quantum Science and Technology and a century after the first quantum breakthroughs — we are entering a new era…
🇨🇭 Welcome to PSI (1/3) 🇨🇭
🔬 Who we are
We’re the Paul Scherrer Institute PSI, Switzerland’s largest research center for natural and engineering sciences. As part of the prestigious ETH Domain, we…
🇨🇭 Welcome to PSI (2/3) 🇨🇭
🧪 Experience research live
At PSI, science isn’t hidden behind closed doors — we open them for you:
👀 Explore the interactive exhibits at the PSI Visitor Centre and…
🇨🇭 Welcome to PSI (3/3) 🇨🇭
⚙️ Where cutting-edge science happens!
PSI builds and operates Switzerland’s most advanced large research facilities, including:
🔹 SLS - Swiss Light Source
🔹 SwissFEL …
Insights into the work of the ‘power plants’ of organic cells
New video from the series of #interviews with users of the @europeanxfel (for more videos check link in Bio)
The team led by Camila…
The quantum revolution is just beginning. ✨ In 2025 — the UNESCO International Year of Quantum Science and Technology and a century after the first quantum breakthroughs — we are entering a new era…
How does one measure radioactivity from the air?
🚁 With a high-tech detector, a Super Puma helicopter, and a clever algorithm.
In the latest #AdvancedComputing video, David Breitenmoser explains…
The quantum revolution is just beginning. ✨ In 2025 — the UNESCO International Year of Quantum Science and Technology and a century after the first quantum breakthroughs — we are entering a new era…
Le PSI en chiffres
2300
Collaboratrices et collaborateurs travaillent au PSI sur le monde de demain.
5
Le PSI exploite cinq grands instruments de recherche basés sur des accélérateurs de particules.
64
Dans 64 centres, laboratoires et groupes au total, nous menons de la recherche sur des questions urgentes de la société.
3000
Chaque année, quelque 3000 chercheuses et chercheurs du monde entier réalisent des expériences sur nos installations.