The more complex the object, the harder it is to fold up. Space satellites often need many small motors to fold up an instrument, and people have difficulty simply folding up a roadmap. Physicists from Leiden and Amsterdam have now designed a structure that folds itself up in several steps. Publication…

Water droplets float in a hot pan because of the so-called Leidenfrost effect. Now physicists have discovered a variation: the Elastic Leidenfrost effect. It explains why hydrogel balls jump around on a hot plate making high pitched sounds. Publication in Nature Physics on July 24.

Stars orbit black holes while jumping up and down. This is the prediction of a theoretical model developed by Leiden physicist Satish Kumar Saravanan, based on Einstein’s theory of relativity. He defends his PhD thesis on July 7th.

Are Weyl particles the ideal conductors? Do cells without a cell wall play a role in chronic Tuberculosis infections? Carlo Beenakker and Dennis Claessen want to answer these questions. They both received a KLEIN grant from the NWO. With these grants, NWO wants to stimulate innovative, fundamental r…

From lectures by Robbert Dijkgraaf to a telescope on the ocean floor: during his double bachelor’s in Physics and Astronomy, Jelle Oonk discovered that the path to big cosmic answers sometimes runs through the smallest, hardest-to-catch particles—neutrinos.

To understand how the brain works, it is essential to map it out in detail. This appears to be possible with a microscopy technique in which Leiden physicists excel. This breakthrough could significantly advance the human quest to understand brain functions.

Soft structures that can take on different shapes without any external drive. Leiden physicists Daniela Kraft and Julio Melio created them in their lab. They present their groundbreaking research on microscale metamaterials in Nature - a breakthrough that opens the door to smart, reconfigurable materials…

In his research, he uses the tools and methods of physics and applies these to today’s most important challenges in electrochemistry. Now, he brings his internationally recognized expertise in nanoscale electrochemistry to Leiden University, where he contributes to pioneering solutions for the energy…

Photonics, quantum research and semiconductor technology: Leiden University welcomed a high-level international delegation from Taiwan, to explore new opportunities for working together on innovations for future photonic quantum computers.

They are only a few tens of micrometres long — far smaller than the width of a human hair – yet these robots can swim, sense, navigate and adapt in ways that look surprisingly life-like. And all this without having a brain.

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in Leiden has produced new insights that could be applied in 5G devices and the emerging field of quantum acoustics.

Science journalist Anna Gimbrère and physicist Julia Cramer will open the Quantum Escape Room in Eindhoven on Wednesday, 17th of December. Researchers from Leiden worked closely with the designers to make sure the escape room is not only exciting, but also truly quantum.

Exhibition

Lecture

Artist Talk + Panel Discussion + Walking Tour

Arts and culture, Talk + Gaming Workshop

Lecture, Book presentation

Lecture, Book presentation

The world is full of wars, and no war is without its dead. What happens to the bodies of fatal casualties of armed conflict? The winner of the faculty Jongbloed Thesis Prize 2015 is Welmoet Wels (Public International Law). Her thesis Dead body management in armed conflict: paradoxes in trying to do…

Young Academy Leiden (YAL) will change its board this month and welcome seven new members. Outgoing chair Julia Cramer and incoming chair Rachel Plak look back at the highlights of the past year and discuss YAL’s plans for the coming period.

Islam has a rich and fascinating history, but if you talk about it in the classroom, all kinds of opinions and emotions come up. 'How do I incorporate these responses into my lessons?' The Netherlands Institute in Morocco is organising a study trip on ‘Islam and Citizenship’. Fourteen teachers from…

Using enslaved people as servants, becoming an administrator in the Dutch West India Company or making uniforms for the colonial army. Many people from Leiden played a role in colonialism and slavery. Historians are conducting preliminary research and finding striking examples.

Photographing fluorescent flowers, searching for frogs and shooting tropical cucumbers out of trees: this is only a small part of the course Tropical Biodiversity and Field Methods. For this class, master’s students biology traveled to Malaysian Borneo for two weeks to gain experience in fieldwork.…

Conference

What can papyri teach us about antiquity? Students of papyrology in Leiden try to answer questions about life in antiquity aided by papyri from our collection.

Pastoralist Societies, Rock Art and Literacy in Jordan’s Black Desert (200 BC to 800 AD)

Many of the challenges of our time are too complex to be resolved within the confines of a single discipline. Leiden University is a broad-based university where an incredible number of research fields converge. That makes us the ideal breeding ground for, and practitioners of, interdisciplinary research…

Lecture

Giving all scientists at the Faculty the same opportunities, that’s what assistant professor Emily Strange stands for. As women face different challenges as scientists, RISE (Researchers in Science for Equality) provides a network and support group for women at the Faculty. Two months ago, Strange…

Measurements on a superconducting material show an abrupt transition between a normal metal and a 'strange' metal. The really strange thing, however, is that this abruptness disappears when the temperature falls. 'We don't have any theoretical machinery for this', says theoretical physicist Jan Zaanen,…

This message is to remember his inspiring contributions to the global development of air and space law, the formation of innovative aviation policy and his dynamic commitment to the International Institute of Air and Space Law at Leiden University.

On March 17, our dear colleague Jan Schmidt passed away after a fruitful and valuable life.

The Faculty of Science has presented an infographic with tips and tricks for work stress. The reason for this was the Personnel Monitor 2018, which showed that work pressure is a problem for many employees at the Faculty. ‘It is important to start the discussion about work pressure, and to break the…

On 28 September the famous chemists Carolyn Bertozzi visited Leiden University to speak at the LED3 seminar. Just one week later, she was announced winner the 2022 Nobel Prize in Chemistry. Leiden chemists Sebastian Pomplun and Hermen Overkleeft are fan: ‘We are extremely honoured to have hosted this…

Playing with tiny building blocks might sound like child’s play, but Vera Meester knows better. On June 7 she will defend her thesis on colloids: micro particles with which you can form larger structures. Meester developed a method to make unusable structures usable.

Five researchers from Leiden University have been awarded a Starting Grant by the European Research Council (ERC). This grant of on average 1.5m euros enables researchers who show potential to start their own project, lead a research team and implement their best ideas.

How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.

Martin van Hecke en Anne Meeussen publiceren in het tijdschrift Nature over mechanische metamaterialen. Ze hebben een nieuwe klasse multistabiele materialen ontdekt. Dit is gebaseerd op ribbeltjes plastic.

Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.

The race to build the first quantum computer is still ongoing, but Morten Bakker has made big step forward in that process with qubits. A qubit is a unit of quantum information that can be produced in large numbers on chips. Qubits capable of exchanging photons (light particles) could be used in the…

16 April was a special day at the Faculty of Science. In honour of the collaborations with the Chinese partner university, it was declared Xi’an Jiaotong University Day.

Materials that are built up from individual granules exhibit a special phenomenon called ‘jamming’. With research into the nature of this phenomenon, a team of scientists led by Leiden physicist Prof. Martin van Hecke has made it to the cover of the prominent journal Physical Review Letters. ‘Jammed…

Are magnetic fields older than the first light? And how did they influence the development of our universe right after the Big Bang? Cosmologists from Leiden, Groningen, and Utrecht are now collaborating to investigate this.

On the university’s birthday, professors teach a class of 10 and 11-year-olds during Meet the Professor. The professors were bombarded with questions.

On 9 September, in the presence of King Willem Alexander, Secretary of State Sander Dekker presented the Spinoza Prize to four researchers, including two researchers from Leiden: archaeologist Corinne Hofman and physicist Dirk Bouwmeester. In the Nieuwe Kerk in The Hague, they unveiled their plans for…

Leiden physicists have been awarded 1.5 million euros for developing a hybrid microscope that provided nanometer-resolution. 'The idea is to combine the resolution of electron microscopy with the pros of optical microscopes.'