To discuss this question, chairmen, members, and secretaries of the Research Integrity Committees (Commissies Wetenschappelijke Integriteit, CWI) of almost all Dutch universities gathered at the Leiden Observatory on 21 April. Also present were members of the committees from Leuven, Brussels, Ghent,…

Big Data - Big Business? - wrap up

The editorial board of the Leiden Elective Academic Periodical (LEAP) is proud to announce the release of the fourth edition, titled “Subject: Matter”!

Welcome to 2024! I hope this message finds you doing well and reenergised following the holiday season. With that said, I can imagine that many of us are not quite ready to be back in the classroom (either as a student or a lecturer)! The good news is that we have plenty of activities to jump start…

On Friday, June 12th, the Europa Institute held its annual PhD Day.

The successful PRINS (PRactising INternational Studies) project offers International Studies students an introduction to the world of practice. In the last semester of their bachelor’s programme, they work as consultants for real-life clients, ranging from Rabobank to Greenpeace. We took a look at the…

In The Hague, the Leiden Centre of Data Science (LCDS) in close collaboration with the Centre for Professional Learning (CPL) is developing a Legal Technologies programme. They do so in cooperation with three faculties of Leiden University, namely the Faculty of Governance and Global Affairs (FGGA),…

On Monday 4 September, Professor Christopher Martinez, from the Universidad de Concepción (University of Concepción), Chile, was invited by the Department of Constitutional and Administrative Law to introduce his forthcoming book at our university.

For a new special issue of The Hague Journal of Diplomacy, we are inviting you to submit a proposal for a research article on space diplomacy (deadline: 24 July 2021).

Thanks to a €4.8 million grant from the Dutch Research Council, a consortium that includes four physicists from Leiden University will develop a national facility for atomic-scale research into novel materials. This initiative is expected to drive innovation for energy transition.

In the Leiden Tutor programme, Leiden students support junior school pupils from lower socio-economic backgrounds. This is a difficult task so the department has now launched a website offering tips and tricks. These tips and tricks can also be useful for other tutors in the Netherlands.

On July 3rd the Leiden University Dialogue in Education Network (LUDIEN) has officially been launched. The network welcomes all who are interested in dialogue as a tool for connection and improved student wellbeing in higher education. The dialogue method is moreover useful to talk about sensitive issues…

ACPA alumnus Kevin Toksöz Fairbairn has just published a new book at Punctum Books - dis/cord: Thinking Sound through Agential Realism.

When you imagine a scientific conference, you might think of endless presentations and coffee breaks. But at the Lorentz Center in Leiden, things are a little different. Here, scientists don’t just listen—they collaborate, debate, and design the future of their field.

Ten years after its introduction, the controversial idea of Erik Verlinde on gravity is still a hotly debated topic, and is still surrounded by a cloud of scepticism. Scepticism in which the media have played a major role, theoretical physicst Koenraad Schalm says in an article by NWO. ‘The media simply…

Coming spring, Professor Tom Lubensky from the University of Pennsylvania will be the 64th Lorentz Professor at the department of Theoretical Physics. He is a pioneer in the field of theoretical soft matter physics and winner of the prestigious Buckley Condensed Matter Prize. During his stay in Leiden…

With great sadness, we have learned of the passing of professor Rudolf de Bruyn Ouboter. As Professor of Experimental Physics, he made fundamental contributions to our field over the course of several decades.

Fancy burning off some calories after a day’s studying? Or perhaps you’d prefer to spend your evenings on the stage? Either way, the good news is that Leiden also has a lot to offer in the areas of sport and culture.

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

Radio telescope LOFAR maps the sky. It produces incredibly detailed images of the universe - and vast amounts of data. Huub Röttgering, director of the Leiden Observatory, talks about the challenges of working with those enormous datasets.

Leiden Physicists have developed a new technique to visualize electrical conductance in sheet-like nano materials. It shows great promise for devices based on a new family of materials—the ‘Van der Waals materials’. The physicists, who won the 2015 Dutch Vacuum Society prize for their work, present…

On Friday 28 October, Leiden University organized its annual Physics Ladies Day for female high school students. To mark this festive day, we put the spotlight on four female researchers, who talk about their experiences in physics.

An all-optical transistor, a molecule-sized sensor and a new kind of single-photon source for quantum communication. All dreamed applications of fundamental physics that are one step closer thanks to Robert Smit. On 12 June, he defended his PhD thesis with distinction.

As of January 2022, Ivo van Vulpen has been Professor by Special Appointment of Science Communication at the Leiden Institute of Physics (LION). Van Vulpen will be researching science communication in general and will aim to underline the value and importance of science communication.

A delegation from Leiden University is visiting Brazil from 14 to 18 March. The first day of the visit was spent with scientists in São Paolo.

The Dick Stufkens Prize 2018 for the best PhD thesis of the Holland Research School of Molecular Chemistry (HRSMC) will be awarded to Dr Stefan Vuckovic. In his thesis, Vuckovic presents a new and innovative approach to the quantum mechanical calculation of atomic and molecular energies. It lays the…

Ten Leiden researchers have been awarded a Veni grant by the Dutch Research Council (NWO). The grant, of up to 280,000 euros, will enable them to elaborate their ideas over a period of three years.

After seven years, Eric Eliel resigns as scientific director of the Leiden Institute of Physics (LION). On April 18th, LION hosts a farewell party and a week later Eliel will officially hand over his tasks to Jan Aarts. We spoke with him about his term as director, in which among others a new science…

Current electrochemical theory does not adequately describe realistic platinum electrodes. Scientists at Leiden University have now, for the first time, mapped the influence of imperfect platinum surfaces. This provides a more accurate picture of these electrodes, with applications in hydrogen production…

From researching plastic pollution to caring for injured wildlife, volunteers play a crucial role in conservation. But much of the valuable knowledge they gather remains unused.

For three years, Wouter Schuit enjoyed studying Technology, Policy and Management at Delft University of Technology - only to switch to a master's in Philosophy in Leiden after his bachelor's. 'In both, you learn to tackle a problem in a structured way.'

The Leiden Institute of Chemistry (LIC) is to be joined by a further two talented young chemists. Bela Bode and Michele Pavanello have each won a Marie Curie subsidy. Bode will be studying electron transport in photosynthesis and Pavanello will be using computer models to study charge transport in large…

Physicist Sense Jan van der Molen researches materials that do not exist in nature. ‘It’s fascinating to see how the properties of a material change if we manage to make it super thin.’ He will give his inaugural lecture on 21 October.

Helping industry to spot dangerous and climate-harming gas leaks faster, cheaper, and more reliably than today’s tools: that's what Leiden University and BigCircle Ventures set out do in a new spin-off company.

How do you detect life on a planet light years away? During her PhD research, astronomer Willeke Mulder worked on an instrument to detect such signals – culminating in an experiment from a hot air balloon.

Galaxies in the early universe contain more dust and hidden star formation than previously thought. That's what Ivana van Leeuwen concludes in her PhD research, where she combines data from various telescopes to create a more complete picture.

In the largest study of ancient DNA ever conducted, an international team of scientists has revealed the complex story behind one of the defining periods in European prehistory. The study is published this week in the journal Nature.

Tom Long (2022). A Small State’s Guide to Influence in World Politics. Oxford University Press. ISBN: 9780190926212, 240 pp. (hardback), £19.99.

The Leiden Institute of Physics hosted the annual conference of the Dutch Vacuum Society (NEVAC). Experts in the field of vacuum experiments talked about their research. The 2016 NEVAC Prize was awarded to PhD student Martijn Vos from the TU Eindhoven.

STM scanning experiments on poorly conducting materials are challenging, and can cause a distortion effect. A new model corrects for this effect, allowing physicists to better study materials in their quest to understand unconventional superconductivity. Publication in Physical Review B as Editor’s…

This event is in Dutch. De Verenigde Naties hebben 11 februari uitgeroepen tot International Day of Women & Girls in Science. De Universiteit Leiden viert deze dag met een open publieksevenement met vrouwelijke topwetenschappers van haar bètafaculteit. Iedereen is welkom vanaf 13:30 uur in het Kamerlingh…

Sander Blok has won the third edition of the annual LION Image Award. He created a colorful image of gold nanoparticles with a low-energy electron microscope.

In their quest for materials that conduct electricity without resistance at moderate temperatures, scientists usually work on their chemical make-up. Now Leiden physicists have come up with a radically new approach: pinching holes in a periodic pattern. Publication in SciPost.

Electrons that spin synchronously around their axis, turn out to stay superconducting across large distances within magnetic chromium dioxide. Electric current from these electrons can flip small magnets, and its superconducting version could form the basis for a hard drive without energy loss. Publication…

A collaboration of physicists and chemists organized the LEELIS conference on new computer chip technology in Amsterdam on 10-11 November. Leiden physicist Joost Frenken is director of the organizing institute ARCNL.

The particle accelerator of CERN, the European Organization for Nuclear Research, produces large amounts of complex data with high accuracy, as a result of which theoretical predictions also need to be more accurate and faster. With his research team, PhD candidate Ben Ruijl developed very innovative…

Science Magazine has published three back-to-back papers on an important discovery in solid state physics. Leiden physicist Jan Zaanen wrote a Perspective article on the subject in the same issue of 4 March.